Chapter 14

The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

What does the nucleus of an atom contain?

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

Isotopes are atoms that have the same number of protons but a different number of _____________.

• neutrons

• electrons

• atoms

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70