mixture or solution
trail mix
heterogenous mixture
What is the atomic number for oxygen?
8
How many elements are on the periodic table?
118
What is the center of an atom called?
The nucleus
CO2
Molecule and compound
The ocean
heterogenous mixture
What can you tell by looking at the atomic mass?
The weight of the neutrons and protons
How many periods are on the periodic table?
7
What are the components of a atom?
nucleus, neutron, and proton
Carbon (C)
element and atom
gatorade
solution
What is the name of the first group on the periodic table?
alkali metals
How many groups are on the periodic table?
18
what atoms does not have a neutron?
Hydrogen +100 if you named it
Oxygen gas (O2)
molecule and element
oil and water
Heterogenous mixture
which atom has greater electronegativity?
Fluorine
Carbon
Sodium
Gold
Fluorine
How many named groups are on the periodic table?
8
What are the characteristics of a solid, liquid, and gas?
Solid - defined shape and volume
liquid - undefined shape and defined volume
gas - undefined shape and volume
Water H2O
Compound and molecule
What are the components of a solution?
a solute and a solvent
Which atom has the greatest atomic radii?
Francium
How do the following trends increase on the periodic table?
electronegativity
atomic radii
valence electrons
atomic radii - down and left
valence electrons- left to right
What causes atoms to space out and become destabilized so that it results in a state change?
energy is added
Glucose C6H12O6
Compound and Molecule