Atoms Protons Electrons Elements

The nucleus of an atom is made up of ___________________.

• Protons and Neutrino

• Neutrons and Electrons

• Protons and Neutrons

• Protons and Electrons

Tags

NGSS.MS-PS1-1

Which part of an atom is represented by the green circles?

• neutrons

• protons

• electrons

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

Tags

NGSS.HS-PS1-8

What is the atomic number of an element with three protons?

• 2

• 1

• 3

• 6

The subatomic particle with a negative charge is the

• electron

• proton

• neutron

• nucleus 

What does the atomic number represent?

• the number of protons and usually electrons too

• the number of protons and neutrons

• the number of neutrons

Where are electrons of an atom found?

• Nucleus

• Electron Cloud

• Some are in the nucleus and some in the electron cloud.

• They are moving everywhere.

What is the atomic mass for the element in this image?

• 14

• 7

• 15

• 18

Tags

NGSS.MS-PS1-1

What are the three particles that make up the atom?

• clouds, positives, negatives

• clouds, energy levels, particles

• protons, neutrons, electrons

• molecules, electrons, protons

How many elements are there in the periodic table?

• 118

• 100

• 226

• too many to count