Prime: Describing and Classifying Matter

Question 1

_________- it is difficult or impossible to see the different parts, therefore you could not easily separate the parts.

Accepted Answer

Homogeneous mixture

Question 2

The ability to tarnish, burn, and rust are properties of ______

Accepted Answer

chemical.

Question 3

A(n) ______ is made of two or more substances that are together in the same place but are not chemically combined.

Accepted Answer

mixture

Question 4

True or False? The basic particle from which all elements are made is a molecule.

Accepted Answer

False

Question 5

True or False? When elements chemically combine, they form compounds that have similar properties.

Accepted Answer

False

Question 6

True or False? Helium has no chemical properties

Accepted Answer

False, it just has 0 reaction

Question 7

A ______ _______ is a characteristic that describes something’s ability to become something else.

Accepted Answer

chemical property

Question 8

A compound may be represented by a _____________, which shows the elements in the compound and the ratio of atoms.

Accepted Answer

chemical formula

Question 9

________- it is easy to see the different parts, therefore, it is easy to separate the parts.

Accepted Answer

Heterogeneous mixture

Question 10

True or False? Molecules are single unit that can be made of different atoms.

Accepted Answer

True

Question 11

True or False? The chemical formula of carbon monoxide is CO.

Accepted Answer

True

Question 12

A(n) ____ _____ is a characteristic of a pure substance that can be observed without changing the substance.

Accepted Answer

physical property

Question 13

In chemistry, a ____ is a single kind of matter that is pure, meaning it always has a specific makeup, or composition.

Accepted Answer

substance

Question 14

________ is anything that has mass and takes up space.

Accepted Answer

Matter

Question 15

When atoms combine, the force of attraction that holds them together is a(n) _________________.

Accepted Answer

chemical bond

Question 16

True or False? The ability to freeze is a physical property along with color and flexibility.

Accepted Answer

True

Question 17

A _________ is a substance made of two or more elements that are chemically combined in a set ratio.

Accepted Answer

compound

Question 18

A pure substance that is made up of only one type of atom is called an ______.

Accepted Answer

element

Question 19

Which of the following isn't a solution.

Accepted Answer

Helium

Question 20

True or False? The ratio of carbon to oxygen in a carbon dioxide molecule is 1 to 2.

Accepted Answer

True

Question 21

True or False? A solution is an example of a homogeneous mixture.

Accepted Answer

True

Question 22

A _______ is a group of two or more atoms held together by chemical bonds and acts as a single unit.

Accepted Answer

molecule

Question 23

True or False? There are four atoms of hydrogen in a water molecule.

Accepted Answer

False

Question 24

True or False? Water and table salt are pure substances.

Accepted Answer

True

Question 25

Which of the following isn't a way to method of separating mixtures?

Accepted Answer

Unfiltration

Question 26

Choose each mixture below that is heterogeneous. Choose more than one.

Accepted Answer

salad., damp soil.

Question 27

True or False? Each substance in a mixture keeps its own properties and are not necessarily combined in a set ratio.

Accepted Answer

True

Prime: Describing and Classifying Matter

Questions 27

Prime: Describing and Classifying Matter

Questions 27