Atoms, Elements, and the Periodic Table

All matter is made up of __________.

• elements

• atoms

• compounds

• molecules

Tags

NGSS.MS-PS1-1

Matter that is made up of only one type of atoms is called a(n) ______________________.

• molecule

• compound

• element

• mixture

Tags

NGSS.MS-PS1-1

Subatomic particles with a negative charge are called ___________.

• protons

• neutrons

• electrons

• nucleus

Tags

NGSS.MS-PS1-1

Subatomic particles with no charge are called ______________.

• protons

• neutrons

• electrons

• nucleus

Tags

NGSS.MS-PS1-1

Elements that have the same number of valence electrons

• are in the same group and are arranged in rows across

• are in the same group and are arranged in vertical columns

• are in the same period and are arranged in rows across

• are in the same period and are arranged in vertical columns

Elements in the same period

• have the same number of valence electrons

• have the same number of energy levels

• have similar properties

• have the same number of protons

If an element is found in Group 17 it will have ____ valence electrons?

• 17

• 2

• 8

• 7

What is the atomic mass of the element shown?

• 79

• 196.967

• 118

• 275.967

Tags

NGSS.MS-PS1-1

What is the symbol of the element in the picture?

• Silver

• Ag

• 47

• 107.87

How many neutrons are in found in an atom of gold?

• 79

• 196.967

• 118

• 295.967

Tags

NGSS.MS-PS1-1