Elements and Atomic Structure

How many neutrons does a sodium atom have? (Use the image to help you)

• 23

• 11

• 12

• 34

Tags

NGSS.MS-PS1-1

What is the charge of a proton?

• Neutral

• Positive

• Negative

• No charge

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Argon

• Hydrogen

Which of the following is the lightest element in the periodic table?

• Helium

• Lithium

• Hydrogen

• Beryllium

What is the maximum number of electrons that can occupy the second shell of an atom?

• 2

• 4

• 6

• 8

What is the centre of the atom called?

• Electron

• Proton

• Neutron

• Nucleus

What are electrons attracted to in an atom?

• Positrons

• Nucleus

• Protons

• Neutrons

How many protons, neutrons, and electrons does a hydrogen atom have?

• 1 proton, 0 neutrons, 0 electrons

• 1 proton, 1 neutron, 1 electron

• 1 proton, 0 neutrons, 1 electron

• 1 proton, 1 neutron, 0 electrons

The element with the symbol H is:

• hydrogen

• helium

• water

• hafnium

The element with the symbol Cu is:

• copper.

• lead.

• chromium.

• cobalt.