Elements and Atoms

Name the element with the chemical symbol: Na

• Nickel

• Sodium

• Adamantium

• Nadium

What is the chemical symbol for Potassium?

• P

• Po

• Ta

• K

Which element has the most protons?

• Carbon

• Phosphorus

• Nitrogen

• Radon

Which particles can be found in the nucleus of an atom?

• protons, neutrons, and electrons

• protons and eletrons

• electrons and neutrons

• protons and neutrons

Which subatomic particle can be found in the orbitals around the nucleus

• electron

• proton

• neutron

• All of the above

Correctly match the subatomic particle with the charge.

• proton= positive / neutron=negative / electron=no charge

• proton= positive / neutron=no charge / electron=negative

• proton= no charge / neutron=negative / electron=positive

• proton= negative / neutron=no charge / electron= positive

How many protons does the element "Sn" have?

• 54

• 89

• 25

• 50

How many electrons does the element Silicon have?

• 12

• 10

• 7

• 14

How many neutrons does the element "Ra" have?

• 88

• 37

• 138

• 226

If an element has an atomic number of 16 and an atomic mass of 26, how many electrons does it have?

• 16

• 10

• 26

• 6