Unit 2: Chemistry Exit Ticket

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

How many protons does an aluminum atom have?

• 27

• 14

• 40

• 13

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

Tags

NGSS.HS-PS1-1

Which particle is negatively charged?

• proton
• atom
• neutron
• electron

Why do elements form bonds?

• to get a charge

• so they can make friends

• to become stable by getting a full valence shell

• to become stable by increasing their mass

Tags

NGSS.HS-PS1-2

What is the ion formed from Sulfur?

• S⁺²

• S^-2

• S⁺⁶

• S^-6

If an atom loses electrons, the charge will be positive.

• true

• false

Tags

NGSS.HS-PS1-2

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

• Br^-1

• Br⁺¹

• Br⁺⁷

• Br^-7

Tags

NGSS.HS-PS1-1

Valence electrons are found

• in the innermost energy level of an atom

• in the middle energy levels of an atom

• in the outermost energy levels of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons