Quiz (Lesson 3.1 - 3.2)

What are the basic building blocks of matter?

• elements

• compounds

• atoms

• cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

You are building a model of an atom for your science class. Which subatomic particles should you include in your model?

• electrons, protons

• protons, neutrons

• electrons, protons, neutrons

• electrons, neutrons, ions

Tags

NGSS.MS-PS1-1

Which particles constantly move around the center of an atom and contain a negative charge?

• electrons

• nucleus

• neutrons

• protons

Tags

NGSS.MS-PS1-1

Which of the following is NOT found in the nucleus of an atom?

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS1-1

How many neutrons are there in an atom of Carbon-13?

• 6

• 13

• 12

• 7

Tags

NGSS.MS-PS1-1

Atoms with the same number of protons but different numbers of neutrons are called _____.

• Ions

• Isotopes

• Atoms

• Protons

Sodium has 11 protons and 11 electrons. Sodium gives an electron away. Sodium now has 11 protons and 10 electrons. Sodium represents a(n) _____ because it has unequal numbers of protons and electrons.

• ion

• isotope

• atom

• proton

Sodium loses an electron and becomes a positively charged ion. This is known as a(n) ___.

• cation

• anion

• electron

• proton

Which of the following is an example of an element?

• Water (H₂O)

• Sugar (C₆H₁₂O₆)

• Salt (NaCl)

• Neon (Ne)

_________ is the most common element in the universe.

• Carbon

• Oxygen

• Hydrogen

• Nitrogen