Chemistry Unit 1 (Ch. 1-4)

atomic number is

• the number of protons

• the number of electrons

• the number of neutrons

• the location of an atom on the periodic table

Atomic Mass is the number of

• protons and neutrons in the nucleus of an atom

• protons and electrons in the nucleus of an atom

• neutrons and electrons in the nucleus of an atom

What is chemistry?

• The study of bonds and its change

• The study of energy and its change

• The study of matter and its change

• The study of life and its change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Which of the following is qualitative data?

• Height

• Weight

• Length

• Shape

Experiments ideal have only this many variables

• 1

• 2

• 3

• 4

What is the difference between a law and theory

• One is proven, the other isn't

• One has support the other doesn't

• One has been researched, the other hasn't

• One has no counterclaims, the other could

Research that is directed by a question is called

• Pure research

• Applied Research

• Chance Discovery

• Questionable Research

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-6

NGSS.HS-PS1-3

Which of the following is a base measure?

• Density

• Weight

• Mass

• Speed

What is the weight of an object that has 10kg of mass on a planet with a gravity of 10 m/s^2?

• 1

• 10

• 100

• 1,000

Tags

NGSS.MS-PS2-4

What is the scientific notation for 5,120,000?

• 5.1*10^6

• 5.12*10^6

• 5.12*10^5

• 5.1*10^5