Module 1 Review: The Structure of Atoms

Which particles are in the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and neutrons

• only protons

Which of these parts has a positive charge?

• protons

• neutrons

• electrons

• electron cloud

Which of these parts has a negative charge?

• protons

• nucleus

• neutrons

• electrons

Tags

NGSS.MS-PS2-3

Which of the following describes a way that atoms can be different?

• positively charged nucleus

• number of protons, neutrons, and electrons

• negatively charged electron cloud

• made up of protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

The atomic number of Carbon is 6. How many protons does Carbon have?

• 12

• 3

• 6

• 7

Tags

NGSS.MS-PS1-1

A sodium atom has 11 protons. It used to have 11 electrons, but lost one due to chemical bonding and now only has 10 electrons. What has the sodium atom become?

• an isotope

• a positively charged ion

• a mixture

• a negatively charged ion

Tags

NGSS.MS-PS1-1

There are two atoms that both have 5 protons. However, the first atom has 5 neutrons, and the second atom has 6 neutrons. What is this called?

• an isotope

• an atom

• an ion

• a nucleus

What is the most basic part of matter?

• element

• compound

• atom

• mixture

What is the charge of a neutron?

• No charge

• Both positive and negative

• Negative

• Positive

What determines the atomic number of an element?

• The number of protons

• The number of electrons

• The number of neutrons

• The sum of protons and neutrons