Matter/Elements

Question 1

Matter

Answer 1

anything that has mass and takes up space.

Question 2

atom

Answer 2

the smallest piece of an element that still has the properties of that element.

Question 3

elements

Answer 3

a substance that cannot be broken down into a simpler substance by ordinary means. Example: hydrogen.

Question 4

mijxture

Answer 4

contains more than one element or compound spread among each other. Mixtures have the properties of the substances they are made of. Mixtures can be separated without a chemical change, example by filtering.

Question 5

compound

Answer 5

made of two or more different kinds of atoms joined together (by a chemical reaction). Compounds have properties which are different from those of the elements they are made of.

Question 6

Physical

Answer 6

Change- change where a physical property of matter is altered, but the substance remains the same kind of matter.

Question 7

chemical chang

Answer 7

change matter undergoes when it turns into a new substance.

Question 8

atomic number

Answer 8

elements are arranged in order by their atomic number. The atomic number represents the number of protons in the nucleus of the atom/element.

Question 8

Atomic Mass (weight)- the number of protons and neutrons in the nucleus of an atom. (rounded to the nearest whole number for our class.)

Answer 8

the number of protons and neutrons in the nucleus of an atom. (rounded to the nearest whole number for our class.)