The atom
Something that cannot be cut or broken into any smaller pieces.
What is indivisible?
The number above the chemical symbol that tells you how many protons are in that element.
What is the atomic number?
Something you notice using one or more of your five senses.
What is an observation?
The substances at the start of a chemical reaction.
What are the reactants?
This state of matter takes the shape of its container and the molecules can rotate and slide past each other.
What is a liquid?
This subatomic particle is always equal to the atomic number.
What is the proton?
The added mass of the protons and neutrons.
What is the atomic mass?
A possible explanation that is testable.
What is a hypothesis?
The binding of two or more atoms.
What is a molecule?
The process of a gas phasing into a liquid.
What is condensation?
This subatomic particle is found in the nucleus and can vary in number.
What is the neutron?
The element with 6 electrons.
What is Carbon?
The end of the scientific method.
What is the conclusion?
A chemical reaction that absorbs more heat than it releases.
What is endothermic?
The process of a solid phasing directly into a gas.
This subatomic particle has almost no mass compared to the other subatomic particles.
What is the electron?
What is a metalloid?
The measurement of how closely packed molecules are together.
What is density?
Fire or laundry detergent dissolving in water.
What is an exothermic reaction?
A type of energy that can cause matter to change states.
This is where the electrons are found in the atom.
What is the orbital shell?
The man who created the periodic table.
Who is Dimitri Mendeleev?
The measurement of how much matter there is in something and the measurement of how much space something takes up.
What is mass and volume?
C6H12O6
What is sugar?
Can neither be created nor destroyed.
What is matter?