Ions and Atoms

What type of atom is this?

• Neutral atom

• Cation

• Anion

• Isotope

Tags

NGSS.MS-PS1-1

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

What is the atomic number of this element?

• 12

• 24

• 23

Tags

NGSS.MS-PS1-1

What type of atom is element C?

• Normal atom

• Ion

• Isotope

Tags

NGSS.MS-PS1-1

What is the mass number of this element?

• 12

• 24

• 23

• 11

Tags

NGSS.MS-PS1-1

Two atoms of different elements will definitely have different numbers of_____

• Nuclei

• Protons

• Neutrons

• Electrons

An ion forms when an atom gains or loses

• Protons
• Neutrons
• Electrons

A neutral atom would become an ion that has a charge of 2+ by 

• Losing two protons
• Losing two neutrons
• Losing two electrons

How are Protons and Neutrons similar

• Both are in the nucleus of the atom and they both have the relative mass of 1
• They both have alpha particles and have the relative mass of 2
• They both have 1 high-energy electron and different elements

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2