Lohr Chemistry Review 8th grade NC

What is the most important evidence of a chemical reaction?

Vertical (up and down) columns on the periodic table are called?

Halogens are

Alkali metals are in group _______ on the periodic table.

Horizontal rows on the periodic table are called _______________?

Noble gases are in group _____ on the periodic table.

What is Ms. Lohr's favorite science word?

When the products of a reaction weigh less than the reactants _________ was probably lost.

The large numbers in front of molecules in a written chemical reaction are called

Substances that go into a chemical reaction are called the ____________.

_______________ __________ will not react

2Na + Cl₂ ------> ____NaCl What number should go in the blank to balance the equation?

The elements in a group have the same ____________

What element is very important to the function of electronic devices

What is your favorite 8th grade class?

Who created the modern periodic table?

The periodic table is arranged by

Which of the following is NOT evidence of a chemical reaction?

SnCl₂ + 2FeCl₃ ----------> 2FeCl₂ + SnCl₄ How many atoms of Cl are in the products?

What does ductile mean?

Metals are to the ______________ of the stair step line

How many atoms of Hydrogen are in 3H₂SO₄ ?

Which of these is a NOT chemical reaction?

Where are metalloids on the periodic table?

What does malleable mean?

Can we create matter in the chemistry lab?

When an experiment is done in a way that nothing can escape, it is called

Which of these is a chemical reaction?

Halogens are in group ____ on the periodic table

The small lower numbers in a written chemical reaction are called