Atom Structure
What charge do electrons have?
Negative
If a solution has a pH of 7 it is considered?
Neutral
Radioactivity is associated with which rays being emitted?
Alpha, Beta and Gamma
How many electrons can fit into the second electron shell?
Eight
What form of radiation can be stopped by a sheet of cardboard?
Alpha
Nucleus
What is the pH of a basic solution?
14
Why do atoms emit radiation?
The atom is unstable because it is to big
What is the vertical rows on the periodic table called?
Groups
Oxidation is when oxygen is ______ to a chemical in a reaction.
Added
How many electrons are in the innermost shell?
2
Name one acidic product
Lemon, vinegar, etc.
__________ decay is where a neutron may change into a proton and an electron.
Beta
What is a compound?
A mixture of two or more elements
Exothermic reactions produce...
Heat or energy
What is the simplest atom?
Hydrogen
When an acid and base react what products are produced?
Water and Salt
Which ray is a burst of high-frequency electromagnetic radiation that has no mass and no charge?
Gamma
What electron shell can hold 16 electrons?
The fourth shell
If Sodium Nitrate and Potassium Chloride react to form Sodium Chloride and Potassium Nitrate, what are the products?
Sodium Chloride and Potassium Nitrate
How many protons in Boron?
5
What is another word for basic?
Hint: It starts with A
Alkali
Identify which types of radiation consist of subatomic particles.
Alpha and Beta
Draw the electron configuration for Carbon
Show your teacher- you should have 6 electrons
What are the three things you need during combustion?
Fuel, oxygen and heat/ignition