Question | Answer |
A molecule is ____________combined | Chemically |
Pure substance made up of more than one
element combined | Compound |
Homogeneous Mixture | Salt Water |
Heterogeneous Mixture | Concrete |
Best mixed of all mixtures | Solution |
Shorthand way of representing the
chemical elements | Chemical Symbols |
Solution of Metals | Alloy |
Description of a chemical reaction using
symbols and formulas | Equation |
A solution is what type of mixture | Homogeneous Mixture |
A Substance that contains only one type
of atom | Element |
A Substance made up of more that one kind
of Molecule | Mixture |
In sweetened tea, the sugar is called the | Solute |
A substance that dissolves in water is | Soluble |
The water in salt water would be the | Solvent |
2H2 + O2 ----- 2 H2O What's the product | Water |
You increase solubility by increasing | Temp |
Smallest piece of matter was named "atom"
by who | Democritus / Greek |
Whose model claimed matter is made of atoms,
atoms of the same element are alike,
atoms of different compounds are not alike | Dalton's Model |
Who discovered the Electron | Thomson |
Who was the first to discover the atom | Greek / Democritus |
Where did Bohr's model place electrons | on orbits around the nucleus |
The modern atomic model or present day theory is called | Wave Mechanics |
Positively Charges particle in the nucleus of an atom | Proton |
Number of protons in the nucleus of an atom is called the | Atomic Number |
Sum of protons and neutrons | Atomic Mass |
All neutrons are electrically | Neutral |
The nucleus of an atom contains | Protons and Neutrons |