Tn Ready ( All Content) 2021

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

• 18 protons

• 40 protons

• 22 protons

• 21.9 protons

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

• 18 neutrons

• 40 neutrons

• 22 neutrons

• 21.9 neutrons

Which part of an atom is used to identify it?

• number of protons

• number of neutrons

• number of electrons

Which of the following is correct?

• Protons are positive, electrons are negative, neutrons are neutral.

• Protons are neutral, electrons are negative, neutrons are positive

• Protons are negative, electrons are positive, neutrons are neutral

• Protons are positive, electrons are neutral, neutrons are negative

What two subatomic particles must be equal for an atom to have no charge (neutral).

• protons and neutrons

• protons and electrons

• electrons and neutrons

Name the element

• Boron

• Carbon

• Nitrogen

• Oxygen

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Identify #1

• proton

• neutron

• electron

• nucleus

Identify #2

• proton

• neutron

• electron

• nucleus

Identify #3

• proton

• neutron

• electron

• nucleus