Chemistry Quiz

What is the study of chemistry essential for?

• Understanding physics

• Understanding biology

• Understanding mathematics

• Understanding history

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

NGSS.HS-PS1-5

What is the charge of a proton?

• Negative

• Neutral

• Positive

• No charge

What is the role of chemistry in biology?

• It helps understand the history of life

• It helps understand the building blocks of life

• It helps understand the geography of life

• It helps understand the language of life

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-5

NGSS.HS-LS1-6

NGSS.HS-LS2-5

What is the main focus of the Unit II Student Guide?

• Physics, Nutrition, and Digestion

• Chemistry, Nutrition, and Digestion

• Biology, Nutrition, and Digestion

• Mathematics, Nutrition, and Digestion

Tags

NGSS.HS-LS1-7

Electrons contribute to the overall mass of the atom.

• Yes, they contribute significantly

• No, they do not contribute at all

• Yes, but their contribution is negligible

• No, they have a negative mass

Tags

NGSS.HS-PS1-7

How do carbon-13 and carbon-14 differ?

• Number of protons

• Number of electrons

• Number of neutrons

• Atomic number

Tags

NGSS.HS-PS1-8

What is the atomic mass of carbon-14?

• 12

• 13

• 14

• 15

Which isotope of carbon has 8 neutrons?

• Carbon-12

• Carbon-13

• Carbon-14

• Carbon-15

What is the common feature of all carbon isotopes?

• Same number of neutrons

• Same number of protons

• Same atomic mass

• Same number of electrons

Using the concept of half-life, how long would it take to have 12.5% of the original amount remaining?

• 1 half-life

• 2 half-lives

• 3 half-lives

• 4 half-lives

Tags

NGSS.HS-PS1-8