Intro to Chemistry

For the element Magnesium, what is the symbol?

• MM

• MA

• Me

• Mg

For the element Sodium, what is the atomic number?

• 11

• 23

• 12

• 23

For the element Calcium, what is the atomic mass?

• 40

• 41

• 40.08

• 20

How many protons are in Titanium?

• 47

• 22

• 44

• 66

Tags

NGSS.MS-PS1-1

How many electrons does Titanium have?

• 22

• 23

• 47

• 49

Tags

NGSS.MS-PS1-1

True or false?

A metalloid is a semi-conductor

• True

• False

Tags

NGSS.HS-PS1-1

True or false?

Ductility is the ability to be pulled into thin wires

• True

• False

True or False?

Metals are brittle (break easily)

• True

• False

True or False?

Silicon is a metalloid

• True

• False

True or False?

Metals are not conductors of heat and electricity.

• True

• False

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4