Show:
August (matter & elements, compounds)
September (Isotope Notation)
October (Binary Covalent Compound & Polyatomic Ions))
November (Sci Not- Dec Not)
100

Definite mean doesn't change or does change?

Doesn't change

100

What are the protons, neutrons, and electrons of Astatine?

Protons: 85 Electrons: 211 Neutrons: 211-85=126

100

What is a covalent bond?

2 atoms that share VE

100

What does DPl stand for?

Decimal Place.

200

2 characteristics of matter

Has mass

Occupies space

200
What does 'z' mean in Isotope Notation?

Atomic

200

What is the prefix for 4 atom#?

-Tetra.

200

True or False: If the exponent is negative, you go to the left.

True.

300

True or False: Compounds always have the same composition no matter where they are found

True
300

How many elements are on the periodic table?

118

300

True or False: Cation goes after the anion.

False. Cation always is first before the anion.

300

True or False: You always use roman numerals even when not needed.

False.

400

True or False: Elements are found in only some matter

False. Elements are found in all matter.

400

Does the protons go on the top or bottom of the element?

Bottom

400

What is acid?

Molecule that produces ions when it is dissolved in H2O.

400

Do you add zeros when needed?

Yes, when moving to the left or right.

500
Write 2 examples of compounds and 2 examples of elements

Compounds: 1)Water 2)Table Salt

Elements: 1)Oxygen 2)Hydrogen

500

True or False: You only subtract the protons and electrons. You do not add them.

False. You subtract and add in problems when needed.

500

What do you put after the element name if it ends in -ate?

-ic