16.1 & 16.2 Notes

Multiple Choice

A particle that moves around the nucleus of an atom is an _______.

• Proton

• Neutron

• Electron

• Quark

Multiple Choice

Particles in an atom that are neutral which means they have no charge are _____.

• negatrons

• electrons

• neutrons

• protons

Multiple Choice

The positive particles of an atom are called _____.

• electrons

• positrons

• neutrons

• protons

Multiple Choice

All matter is made of ______.

• energy

• atoms

• electrons

• compounds

Multiple Choice

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Multiple Choice

In terms of matter, the atom is almost entirely filled with _____

• orbiting electrons
• charged protons
• heavy neutrons
• empty space

Multiple Choice

Of the three subatomic particles, which is the smallest and the lightest?

• protons 
• neutrons
• electrons
• They are all equal.

Multiple Choice

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Multiple Choice

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Multiple Choice

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Multiple Choice

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

Multiple Choice

which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons