Edmentum Chemistry Unit 1 Review

What three subatomic particles make up an atom?

• Protists, Neurons, Electrodes

• Protons, Neutrons, Electrons

• Protons, Neurons, Electrodes

• Protists, Neutrons, Electrodes

Tags

NGSS.MS-PS1-1

How many protons are in one oxygen atom?

• 8

• 7

• 15.999

• 23.999

Tags

NGSS.HS-PS1-1

How many electrons are in one neutral Lithium atom?

• 3

• 4

• 6.941

• 9.941

Tags

NGSS.HS-PS1-1

What group is He in on the periodic table?

• 1 - Alkali Metals

• 2 - Alkaline Earth Metals

• 7 - Halogens

• 8 - Nobel Gasses

Tags

NGSS.MS-PS1-1

What group is Cl in on the periodic table?

• 1 - Alkali Metals

• 2 - Alkaline Earth Metals

• 7 - Halogens

• 8 - Nobel Gasses

Tags

NGSS.MS-PS1-1

What group is Mg in on the periodic table?

• 1 - Alkali Metals

• 2 - Alkaline Earth Metals

• 7 - Halogens

• 8 - Nobel Gasses

What group is Na in on the periodic table?

• 1 - Alkali Metals

• 2 - Alkaline Earth Metals

• 7 - Halogens

• 8 - Nobel Gasses

Tags

NGSS.MS-PS1-1

What is an observation?

• A scientific statement based on ideas

• Using your senses to notice what is going on around you

• To be unaware of your surroundings

• The question that you want an answer to.

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS2-5

Which of these can change when new evidence is presented?

• theory

• law

Tags

NGSS.HS-PS1-2