Chemistry Quiz #1 Review

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

The subatomic particle with a negative charge is found

• orbiting the nucleus

• inside the nucleus

• outside the atom

• only in stable atoms

What is the number of positively charged particles that an atom of this element contains and what is the name of the particle?

• 14, protons

• 7, protons

• 7, electrons

• 21, neutrons

What is the rounded atomic mass of "F"

• 9

• 18

• 17

• 19

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6

A particle that moves around in shells/energy levels outside of the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Atom

Most of the mass in an atom is concentrated in the...

• electrons
• nucleus
• protons
• empty space