Elements and Atomic Structure

If a stable, neutral sample of neon is collected and it has an atomic number of 10, then how many electrons will it have?

• 20

• 15

• 10

• 5

Tags

NGSS.MS-PS1-1

Which choice best describes an atom?

• The smallest form of matter.

• The largest form of matter.

• A small living thing.

• A large living thing.

The number of protons in an element will tell you that element's...

• Atomic mass

• Atomic number

• Number of neutrons

• Number of electron orbitals

An isotope of an element has the same number of protons, but a different number of...

• Electrons

• Positrons

• Nuclei

• Neutrons

How many neutrons does Carbon-14 have (atomic number is 6)?

• 6

• 3

• 14

• 8

What are the units used to describe the atomic mass of an atom?

• Protons

• Neutrons

• Electrons

• Amus (atomic mass units)

What does the periodic table show us?

• All of the molecules that can be created in a lab.

• The structure of an atom.

• The elements in order of their atomic number.

• The elements and molecules that they can make.

What does the nucleus of an atom contain?

• Electrons and neutrons

• Protons and neutrons

• Neutrinos and positrons

• DNA and RN

Tags

NGSS.MS-PS1-1

Sodium (Na) is found in which period?

• 1

• 2

• 3

• 4

In the periodic table, elements are arranged in order of increasing:

• Atomic mass

• Atomic number

• Density

• Melting point