Structure of an Atom

Identify the type of bonding between the oxygen and hydrogens in one water molecule.

• covalent bonding

• hydrogen bonding

• ionic bonding

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

Tags

NGSS.HS-PS1-8

An atom with atomic number 6 would have how many protons?

• 6
• 12
• 3
• cannot be determined 

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

Tags

NGSS.MS-PS1-1

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What number indicates the nucleus?

• 1
• 2
• 3
• 4

The image shows the periodic grid for POTASSIUM. How many NEUTRONS are found in a potassium atom?

• 19
• 39
• 20
• Impossible to tell

Tags

NGSS.MS-PS1-1

Transfers (gains or loses) electrons

• covalent bonds

• ionic bonds

• hydrogen bonds

The negatively charged particles of an atom are the ______.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

In an neutral atom, what is the number of protons equal to?

• The number of electrons.
• The number of neutrons.
• The number of molecules.
• The number of nuclei.