The Atomic Model/Periodic Table Review

Atoms

100

Where are protons and neutrons found?

In the nucleus

200

Atomic number tells you the number of...

protons

300

The location of electrons

And their charge

outside the nucleus

negative

400

Which element has 65 protons

Terbium

500

This equation will tell you the number of neutrons in an atom

atomic mass - atomic number

Periodic Table 1

100

Group 18 on the periodic table has this many valence electrons

8

200

A horizontal row is called this on the periodic table

a period

300

What type of elements are found on the left side of the periodic table?

Metals

400

Two metals in group 3 (13A) are these

Al, Ga, In, Tl

500

The group number tells you this

valence electrons

Periodic Table 2

100

This classification of elements is found in a zig zag on the periodic table

metalloids

200

If an element is in group 4, it needs this many more electrons to complete its valence shell

4 more electrons

300

Which element is in Group 2, period 7

Radium

400

Elements in this group 5 have this many valence electrons

5

500

How many neutrons does Xenon have?

77 neutrons

Chemical Bonds

100

This type of bond is between a metal and a nonmetal

ionic

200

2 or more nonmetals form this type of bond

covalent

300

When an element shares electrons to bond to another element it forms this type of bond.

covalent bond

400

A group 2 element will most likely bond with an element from this group.

Group 6

500

The following compound forms this type of bond: Na₂SO₄

ionic bond

Chemical Equations

100

What is on the left side of a chemical equation

reactants

200

How many elements are there in this chemical formula? K₂Cr₂O₇

3

300

How many atoms of oxygen are there: 5H₂O₄

20 oxygens

400

These are the products of the following equation:

CH₄+2O₂ ---> CO₂ + 2H₂O

CO₂ and H₂O

500

True or false: a composition reaction involves the breakdown of a substance into two or more different substances

false