Chemistry Unit Review

What part of the atom is a negative charged particle found outside the nucleus?

• Proton

• Electron

• Neutron

• Atomic Mass

What is the name of the columns of the periodic table, which each element shares the same number of electrons in the outside shell?

• Metals

• Lanthanide Series

• Periods

• Groups

The process when a liquid becomes a solid is called what?

• Boiling

• Melting

• Freezing

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is anything that has mass and takes up space?

• atoms

• matter

• element

• compound

How many protons does Magnesium have?

• 2

• 24

• 12

• 24.305

What is the atomic number of Magnesium?

• 1

• 12

• 24

• 36

Tags

NGSS.MS-PS1-1

What is the atomic mass of Magnesium?

• 1

• 12

• 24

• 26

Which of the following is NOT an example of a physical change?

• spreading peanut butter on bread

• breaking glass

• ripping a piece of paper

• stomach breaking down food

What is a pure substance that cannot be separated into simpler substance physically or chemically?

• atom

• element

• compound

• molecule

What is it called when one ore more substances are changed to new substances?

• Chemical reaction

• Law of Conservation of Mass

• Matter

• Atom

Tags

NGSS.MS-PS1-2