Winter Time Review

Question 1

Isotopes are atoms of the same element that...

Accepted Answer

have different masses

Question 2

When are roman numerals used in naming compounds?

Accepted Answer

Transition metals/d sublevel

Question 3

Group _________ needs to gain 3 electrons to fill a stable octet.

Accepted Answer

15

Question 4

Which of these is NOT a diatomic gas?

Accepted Answer

S

Question 5

A physical change occurs when a ...

Accepted Answer

glue gun melts a glue stick

Question 6

If you change the number of protons...

Accepted Answer

the element changes

Question 7

The symbol for the metric unit used to measure mass in the chemistry lab is...

Accepted Answer

g

Question 8

What charge is Copper in CuCl2

Accepted Answer

+2

Question 9

The protons and neutrons are found ...

Accepted Answer

in the nucelus

Question 10

The subatomic particle that has the same mass as the proton, but no charge is called a...

Accepted Answer

neutron

Question 11

How many electrons is each element trying to achieve in the valence level?

Accepted Answer

8

Question 12

All but one of these units are SI base units. The exception is...

Accepted Answer

kilogram

Question 13

What is the definition of chemistry?

Accepted Answer

study of matter

Question 14

The number of grams equal to 0.5 kg is...

Accepted Answer

500 g

Question 15

Which is NOT a property of metal?

Accepted Answer

unreactive

Question 16

The horizontal row on the periodic table is called a(n)...

Accepted Answer

period

Question 17

The vertical column of blocks on the periodic table is called a(n)...

Accepted Answer

family

Question 18

When is a prefix used in naming compounds?

Accepted Answer

Molecular compounds

Question 19

What is the formula for Barium Phosphide?

Accepted Answer

Ba3P2

Question 20

The variable that you change in the lab is the ...

Accepted Answer

independent variable

Question 21

What is an anion?

Accepted Answer

a negative ion

Question 22

Group _______________ has 7 electrons in the valence shell.

Accepted Answer

17

Question 23

The elements on the zigzag line in the periodic table are...

Accepted Answer

metaloids

Question 24

The particles in a solid are...

Accepted Answer

tightly packed

Question 25

Group __________ is called the Noble gases

Accepted Answer

18

Winter Time Review

Questions 25

Winter Time Review

Questions 25