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Elements
Atomic Structure
Periodic Table
Math in Chemistry
Miscellaneous
100
This element has the atomic symbol Rb.
What is Rubidium.
100

The charge of an electron is _______.

What is negative

100

The elements in group 17 are known as 

What is "the halogens"
100

What is Avogadro's #

What is 6.022x1023

100
A substance that has a definite volume but not definite shape is in the _______ phase.
What is liquid.
200
These two elements make up the compound known as table salt.
What is Sodium (Na) and Chlorine (Cl).
200

How many protons neutrons and electrons are in Uranium

92 Protons 92 Electrons 146 Neutrons

200

A block of lead has a density of 5.65 g/cm3  and a volume of 0.126 L. This block has a mass of ________ (g)

What is 712 g.

200

What is 4.5 x 104 + 35.4x103

What is 8.04x104

200
Chicken noodle soup is an example of a _________ mixture. (Homogeneous or heterogeneous).
What is heterogeneous.
300

This element is located in Group 14 and Period 3.

What is Silicon (Si).

300

Which group of elements are considered Alkali Metals 

What is Group 1

300

What is the correct formula for Iron (III) Sulfate

Fe2(SO4)3

300
How many periods are in on the periodic table. 

what is 7 

300
215.15 K is ________ degrees C.
What is -58.00.
400
This element has a molar mass of 15.999 g/mol.
What is Oxygen (O).
400

What group of elements are considered the noble gases

Group 18 

400

Transition metals are found in which groups 

What is groups 3-12 

400

If you dilute 15.0 mL of a 12.0 M HCl solution to make a 2.50 M HCl solution what will the final volume be?

What is 72 ml 

400

Density, melting point, malleability, hardness, and color are all examples of _______ properties.

What is physical / Physical Properties 

500

This element has an atomic number of 28 and atomic mass of 58.69

What is Nickel 

500

Name the element whose electron configuration is  1s22s22p1

What is Boron

500

An atom that has a negative charge is considered to be an

What is an anion

500

The compound name for the formula FeF2


What is Iron II Fluoride 

500

273 K is what in Celsius

What is 0