Science

Question 1

matter

Answer 1

anything that takes up space

Question 2

Mass

Answer 2

a measure of the amount of matter in an object

Question 3

Weight

Answer 3

measure of gravitational force on an objects

Question 4

Volume

Answer 4

An amount of space an object takes up

Question 5

density

Answer 5

The ratio of the mass of a substance in its volume

Question 6

Atom

Answer 6

the smallest unit of an element

Question 7

Element

Answer 7

a pure substance that is made from a single type of atom

Question 8

periodic table

Answer 8

an arrangement of all known elements in order of atomic number

Question 9

Pure substance

Answer 9

a material that cannot be physically separated into its parts

Question 10

Molecule

Answer 10

a group of atoms

Question 11

Chemical bonds

Answer 11

attractive force that holds atoms together

Question 12

Compounds

Answer 12

a pure substance made up of 2 or more different types of atoms joined by chemical bonds

Question 13

Crystal

Answer 13

Substance in which atoms are arranged in an orderly geometric repeating pattern

Question 14

Substrict

Answer 14

• a number below and to the right of the symbol shows how many atoms of that element there are. If no subscript, one atom of the element is present (small#)

Question 15

Coefficient

Answer 15

a number place in front of a chemical formula to show how many molecules of the substance are represented (big #)

Question 16

Atomic Number

Answer 16

is related to the structure of the atoms each element has a unique atomic number

Question 17

Atomic symbol –

Answer 17

every element is represented by a symbol of 1.2 or 3 letters

Question 18

Atomic Name

Answer 18

Name of element from a person, place or when discovered

Question 19

Atomic Mass

Answer 19

The mass is related to the mass of its atom