Sci6thTest10

Question 1

a compound made of charged atoms

Accepted Answer

ionic compound

Question 2

What is the amount of matter in one unit of volume?

Accepted Answer

density

Question 3

Two electrons *attract* each other.

Accepted Answer

False

Question 4

Two electrons repel each other. (select true)

Accepted Answer

True

Question 5

What are the tiny particles that swarm at tremendous speeds around the core of an atom called?

Accepted Answer

electrons

Question 6

Formed by electrons zooming around the nucleus on an atom

Accepted Answer

electron cloud

Question 7

The *weight* of an object changes from place to place.

Accepted Answer

True

Question 8

The simplest kind of atom with one proton and one electron

Accepted Answer

hydrogen

Question 9

What is the measure of the pull of gravity on an object?

Accepted Answer

weight

Question 10

Lacking an electrical charge

Accepted Answer

neutral

Question 11

The densest of the everyday metals is

Accepted Answer

lead

Question 12

The colorless, orderless gas that makes up to 78% of the earth's atmosphere is

Accepted Answer

nitrogen

Question 13

A compound is a substance composed of one or rose types of atoms bonded together. (select TRUE)

Accepted Answer

True

Question 14

The halogen that is added to table salt to prevent a deficiency disease is

Accepted Answer

iodine

Question 15

A neutral atom has an *equal* number of protons and electrons.

Accepted Answer

True

Question 16

A *mixture* is a substance composed of one or more types of atoms bonded together.

Accepted Answer

False

Question 17

Anything that takes up space and has mass is:

Accepted Answer

matter

Question 18

The holden that is added to toothpaste and drinking water is

Accepted Answer

flouride

Question 19

The element that is the basic building block of all the compounds is

Accepted Answer

carbon

Question 20

the only metal that is liquid at room temperature is

Accepted Answer

mercury

Question 21

The rapid reaction of any substance with oxygen

Accepted Answer

combustion

Question 22

What are the two particles that make up the nucleus of an atom? (click two answers)

Accepted Answer

neutrons, protons

Question 23

A compound made of molecules

Accepted Answer

molecular molecule

Question 24

Iodine, when heated, does not melt but instead *sublimes*, or turns to gas.

Accepted Answer

True

Question 25

The elements which do not combine with anything else except under unusual circumstance

Accepted Answer

noble gases

Sci6thTest10

Questions 25

Sci6thTest10

Questions 25