1.1 Quiz

Which of the following best describes an element?

• a substance made up of one type of atom

• a mixture of compounds with varying properties

• a combination of different types of atoms

• a complex structure of molecules

How does the arrangement of subatomic particles and the behavior of electrons contribute to the overall charge neutrality of the oxygen atom?

• The number of protons equals the number of electrons.

• The number of neutrons equals the number of electrons.

• The number of protons equals the number of neutrons.

• The number of protons is greater than the number of electrons.

Tags

NGSS.HS-PS1-7

What is matter?

• Anything that contains mass and takes up space

• A form of energy

• A type of chemical reaction

• A unit of measurement

Tags

NGSS.MS-PS1-4

What does Dalton's atomic model state about matter?

• Matter is composed of continuous substances

• Matter is composed of exceedingly finite particles called atoms

• Matter is composed of energy waves

• Matter is composed of large, visible particles

Tags

NGSS.MS-PS1-1

What are electrons?

• Positively charged particles inside the nucleus

• Neutrally charged particles in the atom

• Tiny, negatively charged particles that move around the outside of an atom

• Large, positively charged particles outside the atom

Tags

NGSS.MS-PS1-1

What is the charge of a proton?

• Positive

• Negative

• Neutral

• No charge

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• No charge

How are the particles in a solid arranged?

• Loosely packed and moving freely

• Tightly packed and vibrating slightly

• Spread out and moving rapidly

• Randomly arranged and stationary

How do particles in a liquid behave compared to those in a solid?

• They are tightly packed and do not move

• They are in contact but not densely packed

• They are spread out and move freely

• They are stationary and fixed in place

Tags

NGSS.MS-PS1-4

What does the atomic number represent?

• The average mass of all isotopes.

• The number of protons in the nucleus of an atom.

• The electrons in the highest energy level.

• A theory about matter in the universe.