Bio: Chem of Life

All matter is made of what

• energy

• atoms

• electrons

• compounds

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are is its

• nucleus

• electron cloud

• core

• center

An atom with atomic number 6 would have how many protons

• 6

• 12

• 3

• cannot be determined

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

• negatrons 
• electrons 
• neutrons 
• protons 

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

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

• 14
• 7
• 15
• 18

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons