Terms
Equations
Scientist
Elements and More
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100

Pure substance made up of one type of atom that cannot be broken down into simpler substances 

What is an Element? 

100

What is the formula for Density? 

What is D=M/V? 

100

Plum Pudding Model 

Who is J.J. Thomson? 

100

Define Chemistry

What is the study of composition, structure, and changes in matter? 

100

Calculate the Molecular weight of a compound

What is multiply the number of atoms by the atomic mass and add together? 

200

Uniform in composition 

What is a homogeneous mixture? 

200

Percent Error Formula

What is measured-theoretical/theoretical X 100? 

200

Gold Foil Experiment

Who is Ernest Rutherford? 

200

Elements in group I are known as

What are alkali metals? 

200

Ionization Energy 

What is the amount of energy required to remove an electron to form a cation?

300
Substances that react in a chemical reaction 

What is a reactant? 

300

Specific Heat Equation 

What is Q= m x c x T ? 

300

Five atomic theories

Who is Dalton? 

300

Isotopes are

What are atoms of the same element with different mass numbers? 

300
Magnetic quantum number represents 

What is the position of an electron in an atom? 

400

Measure of the visibility of light emitted from a source

What is Luminous Intensity? 

400
Steps to solve empirical formula? 

What is convert from mass to moles and divide each mole by the smallest mole? 

400

Scientist accredited for the planetary model of the atom 

Who is Neils Bohr? 

400

Metals are 

Great conductors of heat and electricity? 

400
Avogadro's Number 

What is 6.022e23 atoms? 

500

This Branch of chemistry focuses on Carbon-containing compounds

What is Organic Chemistry? 

500

Mass Percent Composition 

What is the Mass of each element/ total molar mass X 100? 

500

Greek Philosopher who conceptualized the atom

Who is Democritus? 

500

The special name for group 17 elements are

What are Halogens? 

500

Group 1 elements are the most _____ elements

What is reactive?