Chemistry RCR- Atomic Structure

What are the 3 subatomic particles in an element?

• Protons, atoms, elements

• protons, neutrons, electrons

• electrons, atoms, neutrons

The symbol for Sodium is _______

• Na

• Si

• S

The symbol for Carbon is _______

• Na

• C

• Cb

What is the nucleus of an element consist of?

• Protons and atoms

• protons and neutrons

• neutrons and electrons

Which particles are found in the energy shells around the nucleus of an element?

• electrons

• atoms

• neutrons

Where can you find the atomic mass of an element?

• underneath the element symbol on the periodic table

• above the symbol name

• not on the periodic table

The # of protons and the atomic # are _______

• always exactly the same

• never the same

• unimportant

What is this model called?

• atom model

• Bohr model

• claw model

Tags

NGSS.MS-PS1-1

What is the symbol for Boron

• N

• B

• Se

What element is "K"

• Potassium

• Krypton

• calcium

Tags

NGSS.HS-PS1-1