PS Chemistry Sem Review

Question 1

What is the loop electron configuration for Copper?

Accepted Answer

2, 8 , 17, 2

Question 2

What is the layer of the sun that gives off light?

Accepted Answer

photosphere

Question 3

What is the electron configuration?

Accepted Answer

1s2, 2s2, 2p6

Question 4

How many neutrons does this element have?

Accepted Answer

7

Question 5

Which has the least energetic molecules?

Accepted Answer

solid

Question 6

How does heat flow?

Accepted Answer

high temp to low

Question 7

How many electrons does this element have?

Accepted Answer

10

Question 8

What pH is the most acidic?

Accepted Answer

1

Question 9

In Charles’s Law, Temperature and Volume are:

Accepted Answer

directly related

Question 10

Evaporation occurs when:

Accepted Answer

a liquid changes to a gas

Question 11

What is proof of the Big Bang Theory?

Accepted Answer

the Hubble Red Shift

Question 12

What is the mass number of an atom, which contains 28 protons, 28 electrons, and 34 neutrons?

Accepted Answer

62

Question 13

How many protons does it have?

Accepted Answer

8

Question 14

The identity of an element is determined by its number of

Accepted Answer

protons

Question 15

If the pH of a substance is 5, what is the concentration of H+ ions?

Accepted Answer

10-5

Question 16

Which is NOT a method of heat transfer?

Accepted Answer

insulation

Question 17

What chemical property is shampooing your hair?

Accepted Answer

reacting

Question 18

What is the name of LiC2H3O2 ?

Accepted Answer

Lithium Acetate

Question 19

What has a definite size and not a definite shape?

Accepted Answer

liquid

Question 20

What physical property is aluminum foil?

Accepted Answer

malleability

Question 21

What does the 4 represent in 4 H2O?

Accepted Answer

coefficient

Question 22

What pH is the most basic?

Accepted Answer

13

Question 23

What is the chemical state of matter?

Accepted Answer

gas

Question 24

The type of wave that can be used to transmit your voice and to cook your food?

Accepted Answer

microwave

Question 25

What does a roman numeral show?

Accepted Answer

oxidation of a transition

Question 26

What is the location (group and period).

Accepted Answer

16, 2

Question 27

Atoms with the same atomic number but different atomic mass are called:

Accepted Answer

isotopes

Question 28

What feature of the sun proves solar rotation?

Accepted Answer

sun spots

Question 29

What is the measure of the average kinetic energy in an object?

Accepted Answer

temperature

Question 30

Electromagnetic waves with the longest wavelengths are ______

Accepted Answer

radio waves

Question 31

Which group in the Periodic Table contains elements that are all gases?

Accepted Answer

18

Question 32

What type of change is breaking glass?

Accepted Answer

physical

Question 33

In Boyle’s Law, Pressure and Volume are:

Accepted Answer

inversely related

Question 34

A proton has approximately the same mass as

Accepted Answer

a neutron

Question 35

Density is the ratio of:

Accepted Answer

mass/volume

Question 36

What is the name of the element?

Accepted Answer

oxygen

Question 37

How many Hydrogen atoms are in 4 H2O?

Accepted Answer

8

Question 38

List the phases of water in order, from the slowest movement to fastest movement.

Accepted Answer

solid-liquid-gas

Question 39

What kind of bond is the compound VSe?

Accepted Answer

ionic transition

Question 40

What letter is pointing to the Sun?

Accepted Answer

E

PS Chemistry Sem Review

Questions 40

PS Chemistry Sem Review

Questions 40