Science Final Review 2

The atomic number of sodium is 11. This atom has

• 23 electrons

• 11 orbits

• 11 protons

Tags

NGSS.MS-PS1-1

Atomic mass = ________ + _________

• protons, neutrons

• electrons, orbits

• protons, electrons

Tags

NGSS.MS-PS1-1

The Periodic Table is mostly made up of

• metals

• non metals

• metalloids

Which elements have properties of metals and non metals?

• Noble Gases

• Metalloids

• Alkali Metals

Elements are arranged on the Periodic Table by

• mass

• alphabetic order

• atomic number

How many protons are in Boron?

• 5

• 11

• 15

Tags

NGSS.MS-PS1-1

How many electrons are in Carbon?

• 12

• 18

• 6

Tags

NGSS.MS-PS1-1

The atomic mass of Sodium is 23. How many neutrons are in Sodium?

• 11

• 12

• 23

Tags

NGSS.MS-PS1-1

The elements found in group 18 are called?

• Halogens

• Noble Gases

• Alkaline Earth Metals

What is the correct placement of electrons in the orbits?

• 2 - 2 - 18

• 2 - 4 - 8

• 2 - 8 - 18