A thing that is composed of two or more separate elements; a mixture.
What is definition of compound?
100
group.
What is a vertical column of elements in the periodic table?
100
liquid, solid, gas, and plasma.
What is the phases of matter?
100
shiny, malleable, and ductile.
What are the physical properties of metal?
100
electron.
What is the smallest sub-atomic particle?
200
H2O
What is water?
200
atomic mass.
What is total mass of the protons and neutrons in an atom, measured in atomic mass units?
200
The particles of a gas are packed tightly together.
What is solid?
200
metalloid.
What is an element with properties intermediate between those of a metal and nonmetal?
200
neutrons.
What is the sub-atomic particle has a neutral charge?
300
NaCl
What is salt?
300
anion.
What is a negatively charged ion?
300
The particles move freely
What is gas?
300
metalloid.
What is boron and silicon?
300
6.02 x 10^23
What is Avogadro's Number?
400
CH4
What is methane
400
family.
What is a vertical column of elements in the periodic table?
400
sublimation.
What is it called when a solid changes directly into a gas?
400
Chemical properties of metals.
What is lose electrons easily, form oxides that are basic, have lower electronegativities, are good reducing agents?
400
Ernest Rutherford
Who discovered the nucleus within an atom?
500
Glucose
What is C6H12O6
500
the tendency of an atom to attract electrons. increases as you go up a group and from left to right on the periodic table.
What is electronegativity?
500
a hot ionized gas
What is plasma?
500
usually have 4-8 electrons in their outer shell, readily gain or share valence electrons, form oxides that are acidic, have higher electronegativities.