Engineering Materials

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

• neutron

• proton

• electron

• valence electron

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Matter is built up of

• Solid liquid gas

• Atoms, Molecules , Radicals

• Plastic

• Small particles

Subatomic particle that has no charge and is located in the nucleus of an atom.

• Proton
• Neutron
• Electron
• Quark

Anything that takes up space and has mass.

• Mass
• Proton
• Weight
• Matter

Which type of bond results when one or more

valence electrons are transferred from one atom to

another?

• a polar covalent bond

• a nonpolar covalent bond

• an ionic bond

• a hydrogen bond

What is in the nucleus of an atom?

• Neutrons and protons

• Protons

• Protons and Electrons

• Neutrons and Electrons

Contains only one kind of atom.

• Element
• Compund
• Mixture

Contains two or more different atoms combined

• Elements

• Compounds

• Mixtures

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds