4/13 Spartan Academy!

positive charge, found in nucleus, mass = one

• proton

• neutron

• electron

• ion

no charge, found in nucleus, mass = one

• proton

• neutron

• electron

• ion

negative charge, found orbiting nucleus, mass is almost zero

• proton

• neutron

• electron

• ion

share electrons, occur between non-metals and non-metals. Form molecules. 

• ionic bonds

• covalent bonds

• metallic bonds

transfer electrons, occur between metals and non-metals. Form crystal lattices. 

• ionic bonds

• covalent bonds

• metallic bonds

the ability to be hammered into sheets

• conductivitiy

• ductility 

• malleability

Smallest component of an element

• atom

• molecule

The process in which one or more substances change to produce one or more new and different substances

• chemical bonding

• chemical reaction

A scientist spilled a few drops of dilute hydrochloric acid on a lab table.  For safety purposes, the scientist sprinkled some baking soda onto the spill.  Which observation would provide the best evidence that a chemical reaction occurred?

• The baking soda and hydrochloric acid combined, and bubbles formed.

• The baking soda absorbed the hydrochloric acid.

• Some of the baking soda dissolved in the hydrochloric acid.

• The hydrochloric acid evaporated, leaving only the baking soda.

How many atoms of oxygen are in a molecule of glucose (C₆H₁₂O₆)?

• 12

• 6

• 18

• 24