105
Flash Cards

Flash Cards. Changing number of +protons….. Changes the element

Embed Size (px)

Citation preview

Page 1: Flash Cards. Changing number of +protons….. Changes the element

Flash Cards

Page 2: Flash Cards. Changing number of +protons….. Changes the element

Changing number of +protons…..

Changes the element

Page 3: Flash Cards. Changing number of +protons….. Changes the element

Who did Gold Foil Experiment?

Rutherford

Page 4: Flash Cards. Changing number of +protons….. Changes the element

Plum Pudding Model

Thomson

Page 5: Flash Cards. Changing number of +protons….. Changes the element

Atom is made of mostly of…

Empty space…..Rutherford

Page 6: Flash Cards. Changing number of +protons….. Changes the element

Metals ___________ -e

lose

Page 7: Flash Cards. Changing number of +protons….. Changes the element

Rutherford: nucleus is…

Small & +positive charge

Page 8: Flash Cards. Changing number of +protons….. Changes the element

Discovered -e

Thomson

Page 9: Flash Cards. Changing number of +protons….. Changes the element

Solid ball model

Dalton

Page 10: Flash Cards. Changing number of +protons….. Changes the element

Current accepted atomic model

Electron cloud

Page 11: Flash Cards. Changing number of +protons….. Changes the element

Atomic model has scattered negative charges spread throughout

Thomson

Page 12: Flash Cards. Changing number of +protons….. Changes the element

Non-metals ________ -e

gain

Page 13: Flash Cards. Changing number of +protons….. Changes the element

Change number of neutrons…

Creates isotopes

Page 14: Flash Cards. Changing number of +protons….. Changes the element

What will Ne react with?

None – Noble gas

Page 15: Flash Cards. Changing number of +protons….. Changes the element

Most reactive metal family

Alkali Metals #1

Page 16: Flash Cards. Changing number of +protons….. Changes the element

Period tells you…

Number of energy shells

Page 17: Flash Cards. Changing number of +protons….. Changes the element

Most reactive non-metal Family

Halogens

Page 18: Flash Cards. Changing number of +protons….. Changes the element

Planetary model

Bohr

Page 19: Flash Cards. Changing number of +protons….. Changes the element

Number of electrons on first three shells…

2, 8, 18, 32

Page 20: Flash Cards. Changing number of +protons….. Changes the element

+p: 21n: 23 Atomic Mass?-e: 21

44

Page 21: Flash Cards. Changing number of +protons….. Changes the element

+p: 21n: 23 Atomic Number?-e: 21

21

Page 22: Flash Cards. Changing number of +protons….. Changes the element

Hot to the touch during reaction

exothermic

Page 23: Flash Cards. Changing number of +protons….. Changes the element

H2O → H2 + 02

Type of reaction?

Decomposition

Page 24: Flash Cards. Changing number of +protons….. Changes the element

Most reactive non-metal group

Halogens

Page 25: Flash Cards. Changing number of +protons….. Changes the element

Ca + P → _________

Ca2+ + P3- → Ca3P2

?

Page 26: Flash Cards. Changing number of +protons….. Changes the element

Name of column #2

Alkaline Earth Metals

Page 27: Flash Cards. Changing number of +protons….. Changes the element

Bond that shares valance electrons

Covalent

Page 28: Flash Cards. Changing number of +protons….. Changes the element

Metal + Metal

Metallic Bond

Page 29: Flash Cards. Changing number of +protons….. Changes the element

Charged Particle

Ion

Page 30: Flash Cards. Changing number of +protons….. Changes the element

Number of –e in outer shell

Valance electrons

Page 31: Flash Cards. Changing number of +protons….. Changes the element

Reaction feels cold to the touch

Endothermic

Page 32: Flash Cards. Changing number of +protons….. Changes the element

Heat always flows from ____ to ______.

Hot areas to cold areas

Page 33: Flash Cards. Changing number of +protons….. Changes the element

Most reactive metal element

Fr

Page 34: Flash Cards. Changing number of +protons….. Changes the element

Used CRT(cathode ray tube)

Thomson

Page 35: Flash Cards. Changing number of +protons….. Changes the element

Model which has energy levels

Bohr

Page 36: Flash Cards. Changing number of +protons….. Changes the element

Cl-38+p: ____ n: ____ -e: ____

172117

Page 37: Flash Cards. Changing number of +protons….. Changes the element

Metal + Non-metal

Ionic Bond

Page 38: Flash Cards. Changing number of +protons….. Changes the element

K + N → _________

K1+ + N3- → K3N

Page 39: Flash Cards. Changing number of +protons….. Changes the element

Thomson

Page 40: Flash Cards. Changing number of +protons….. Changes the element

Cu

Average of isotopes

63.55

29

Why?

Page 41: Flash Cards. Changing number of +protons….. Changes the element

pH 8-14

Base

Page 42: Flash Cards. Changing number of +protons….. Changes the element

Acid + Base =

Water & salt

Page 43: Flash Cards. Changing number of +protons….. Changes the element

Dalton – solid sphere

Who’s model?

Page 44: Flash Cards. Changing number of +protons….. Changes the element

pH 0-6

Acid

Page 45: Flash Cards. Changing number of +protons….. Changes the element

Neutral pH

7

Page 46: Flash Cards. Changing number of +protons….. Changes the element

Strong Acid pH

0-1

Page 47: Flash Cards. Changing number of +protons….. Changes the element

Weak Base pH

8-9

Page 48: Flash Cards. Changing number of +protons….. Changes the element

Reactant side of chemical equation

Left _____ → ________

Page 49: Flash Cards. Changing number of +protons….. Changes the element

Strongest base?pH 1 pH 5 pH 8 pH

13

pH 13

Page 50: Flash Cards. Changing number of +protons….. Changes the element

Zn + 2HCl - ZnCl2 + H2

Type of reaction?

Single Replacement

Page 51: Flash Cards. Changing number of +protons….. Changes the element

Why do cows wear bells?

Because their horns don’t work.

Page 52: Flash Cards. Changing number of +protons….. Changes the element

2H2O2 → 2H2O + O2

Type of reaction?

Decomposition

Page 53: Flash Cards. Changing number of +protons….. Changes the element

Electrically Neutral…..

Same number + and -

Page 54: Flash Cards. Changing number of +protons….. Changes the element

Non-Metal + Non-metal

Covalent Bond

Page 55: Flash Cards. Changing number of +protons….. Changes the element

Oxidation Charge Number for Fe (IV)

4+

Page 56: Flash Cards. Changing number of +protons….. Changes the element

What makes an atom stable?

Full outside shell

Page 57: Flash Cards. Changing number of +protons….. Changes the element

The amount of energy that is put into a machine never equals the amount out of the machine. Why?

Loss of energy to friction.

Page 58: Flash Cards. Changing number of +protons….. Changes the element

A bird flies 25-m in 4 seconds. What is its velocity?

v = d

t=

25

4= 6.25 m/s

Page 59: Flash Cards. Changing number of +protons….. Changes the element

A car pulls away from a stop sign to a speed of 12 m/s in 3 seconds. What is its acceleration?

a = vf - vi

t=

12-0

3= 4 m/s/s

Page 60: Flash Cards. Changing number of +protons….. Changes the element

How much force is required to accelerate a 9-kg cart at 6-m/s/s ?

F = m a = (9)·(6) = 54 N

Page 61: Flash Cards. Changing number of +protons….. Changes the element

For every action force there is an equal and opposite reaction force. Which law is this?

Newton’s Third Law of Motion

Page 62: Flash Cards. Changing number of +protons….. Changes the element

What property makes a moving object resist changing its speed?

Inertia

Page 63: Flash Cards. Changing number of +protons….. Changes the element

The amount of matter that is in a given object’s volume is called its______________.

Density

Page 64: Flash Cards. Changing number of +protons….. Changes the element

The water level said 10 mL before the rock was added. After the graduated cylinder read 15 mL. What is the volume of the rock?

15-10= 5 mL

Page 65: Flash Cards. Changing number of +protons….. Changes the element

If the rock has a mass of 35 g, what is the density of the rock?

D = m / VD = 35 / 5D = 7 g/mL

Page 66: Flash Cards. Changing number of +protons….. Changes the element

How many electrons does Nitrogen-15 need in order to be stable?

3

Page 67: Flash Cards. Changing number of +protons….. Changes the element

How many electrons does Hydrogen need in order to be stable?

1

Page 68: Flash Cards. Changing number of +protons….. Changes the element

What type of chemical bond does a water molecule have?

H2O

Covalent

Page 69: Flash Cards. Changing number of +protons….. Changes the element

A dog chases a car running at 8 m/s for 4 seconds. How will the dog travel during this time?

v = d

t

8 = d

4

8 = d 4 ·

d = 32 32 meters

Page 70: Flash Cards. Changing number of +protons….. Changes the element

What type of chemical bond does a table salt have?

NaCl

Ionic

Page 71: Flash Cards. Changing number of +protons….. Changes the element

Kim carried an 11-N box up a flight of stairs 6 meters high. How much work did she do?

W = F ·d

W = 6 11·

W = 66 J

Page 72: Flash Cards. Changing number of +protons….. Changes the element

How much current will flow through a 2-Ω resistor when it is connected to a 24-V battery?

V = I · R

24 = 2 I

I = 24/2 = 12 Amps

Page 73: Flash Cards. Changing number of +protons….. Changes the element

How much power does a 100V motor have if it uses 20 amps?

P = I · V

P = 100 20 ·

P = 2 000 Watts

Page 74: Flash Cards. Changing number of +protons….. Changes the element

What type of circuit is this?

Parallel

Page 75: Flash Cards. Changing number of +protons….. Changes the element

What type of circuit is this?

Series

Page 76: Flash Cards. Changing number of +protons….. Changes the element

What type of circuit is this?

Series

Page 77: Flash Cards. Changing number of +protons….. Changes the element

What type of circuit is this?

Parallel

Page 78: Flash Cards. Changing number of +protons….. Changes the element

What kind of object is the best to use as a frame of reference?

Object attached to the ground.(ex: sign, tree, fence)

Page 79: Flash Cards. Changing number of +protons….. Changes the element

Put the atomic model scientist in historical order.

Dalton Thomson Rutherford Bohr Schrödinger

Bohr Dalton Rutherford Thomson Schrödinger

Page 80: Flash Cards. Changing number of +protons….. Changes the element

The part of the atom with the smallest mass.

Electron

Page 81: Flash Cards. Changing number of +protons….. Changes the element

The number of protons remain the same, but neutrons are added. This creates…

isotopes

Page 82: Flash Cards. Changing number of +protons….. Changes the element

99% of an atom’s mass exists in this location.

nucleus

Page 83: Flash Cards. Changing number of +protons….. Changes the element

Our Moon is 1/6th the size of the Earth; so an astronaut’s _____ will be less on the Moon.

Weight

Page 84: Flash Cards. Changing number of +protons….. Changes the element

An astronaut traveling through space is weightless, but her ____ is still the same.

Mass

Page 85: Flash Cards. Changing number of +protons….. Changes the element

A ball is dropped from a roof and it will begin to accelerate at _______.

9.8 m/s/s = “g”

Page 86: Flash Cards. Changing number of +protons….. Changes the element

How fast is an object going to be traveling after 2 seconds from being dropped?

2 x g = 2 x 9.8 = 19.6 m/s

Page 87: Flash Cards. Changing number of +protons….. Changes the element

The charge on a proton is…

Positive

Page 88: Flash Cards. Changing number of +protons….. Changes the element

Which direction will the heat travel through these objects?

Highest to lowest:A→B and C→B

A65°C

B23°C

C48°C

Page 89: Flash Cards. Changing number of +protons….. Changes the element

How can you create C-14 from C-12?

Add two neutrons (isotopes)

Page 90: Flash Cards. Changing number of +protons….. Changes the element

The state of matter in which particles are vibrating in place.

Solid

Page 91: Flash Cards. Changing number of +protons….. Changes the element

Where are the largest radius atoms located on the periodic table?

Lower left corner (Fr)

Page 92: Flash Cards. Changing number of +protons….. Changes the element

How many protons does Phosphorous have?

15

Page 93: Flash Cards. Changing number of +protons….. Changes the element

The atomic number for Ni

28

Page 94: Flash Cards. Changing number of +protons….. Changes the element

The atomic mass of Cacium

40

Page 95: Flash Cards. Changing number of +protons….. Changes the element

S has how many neutrons?

35 – 16 = 19

16

35

Page 96: Flash Cards. Changing number of +protons….. Changes the element

A plane travels 400 km in 2 hrs. What is the plane's speed?

v = d t

v = 400 2 = 200 km/hr

Page 97: Flash Cards. Changing number of +protons….. Changes the element

What will be the acceleration of a 20 kg cart after a 140 N force is applied?

F = m · a 140 = 20 · a

140 = 20 · a 20 20

140 = a 20

7 m/s/s = a

Page 98: Flash Cards. Changing number of +protons….. Changes the element

Once an object is in motion it will stay in that motion unless a a net force acts on it.

Newton’s 1st Law of motion

Page 99: Flash Cards. Changing number of +protons….. Changes the element

For every action there is an equal and opposite reaction.

Newton’s 3rd Law of Motion

Page 100: Flash Cards. Changing number of +protons….. Changes the element

Bohr’s model of Boron

Boron has 5 p+ and so 5 e-

Page 101: Flash Cards. Changing number of +protons….. Changes the element

What is the oxidation number of Carbonate?

CO3 is a polyatomic ion and has a (2-) charge.

Page 102: Flash Cards. Changing number of +protons….. Changes the element

What is the valence number of Mg ?

2

Page 103: Flash Cards. Changing number of +protons….. Changes the element

How many electron shells does Chlorine have?

3

Page 104: Flash Cards. Changing number of +protons….. Changes the element

It will take 500J of work to move a tractor. If this is done in 25 seconds, how much power is used?

P = Wt

P = 50025 = 20 Watts

Page 105: Flash Cards. Changing number of +protons….. Changes the element

Oxygen will react more with…Magnesium or Potassium ?

K…because it is closer to F corner.