The part of the atom that has a negative charge is known as the (E)_________.
Electron
100
The atomic number of an element tells us the number of (P)_________ and (E)_________ in an element.
Protons and Electrons
100
What is Na, a compound or an element?
Element
100
To calculate density, you need to know the (M)_______ and the (V)_______.
Mass and Volume
100
A solid has a definite, or fixed, (S)_______, which is not easy to change.
Shape
200
The part of the atom that has a positive charge is known as the (P)_________.
Proton
200
The number at the bottom of the element box is called the atomic (M)_________.
Mass
200
What is FeO, a compound or an element?
Compound
200
If volume is 10cm3, and mass is 20g, what is the density of the object?
2g/cm3
2g/cm3
200
What is it called when a liquid turns to a gas?
Evaporation
300
The part of the atom that has a neutral charge is known as the (N)_________.
Neutron
300
The atomic mass tells us the combined mass of the (P)_________ and (N)_________ in an element.
Protons and Neutrons
300
What is Hydrogen, a compound or an element?
Element
300
The formula for Density is D = ?
Mass/Volume
300
What is it called when a solid changes to a liquid?
Melting
400
What is the center of the atom called, that contains the protons and neutrons?
Nucleus
400
What happens to the elements as we go from the top left to bottom right in the periodic table?
They get heavier.
400
Water is a compound because it is made up of what two elements?
Hydrogen and Oxygen
400
Water has a density of 1.0 g/cm3.
Motor Oil has a density of 1.1/cm3.
Olive oil has a density of 0.9g/cm3.
If I dump all of these in a beaker, what will be on top, middle, and bottom?
Olive oil on top, water, then motor oil on bottom.
400
When water is evaporating into water vapor, a gas, what is the highest temperature it can reach in normal pressure?
100C, or 212F.
500
What is the outside of the atom called, that contains the electrons?
Electron shell, or electron cloud.
500
What is the right-most column of elements called?
Noble gases
500
Name one type of bond that holds atoms together to form compounds.