Zinc,Cadmium, mercury- group ___ on periodic table
What is 12
100
only liquid nonmetal
What is Bromine
100
where are zinc, cadmium, and mercury found
What is group 12
100
5 Properties of Metals
What is 1. Good conductors of heat and electricity
2. Solids at room temp
3. Luster
4. Malleable
5. Ductile
100
_______ are substances that combine or change
What is Reactants
200
only room temperature liquid metal; used in thermometers and batteries
What is Mercury
200
when metals combine with nonmetals, the atoms of the metals tend to lose electrons forming ____ bonds.
What is ionic
200
what are metals found in earth's crust?
What is minerals
200
Radioactive Element
What is An element in which the nucleus brakes down giving off particles and energy.
200
New substances that are produced are called ______
What is Products
300
usually gases or brittle solids at room temperature are not malleable or ductile; usually poor conductors of heat and electricity; usually not lustrous
What is Nonmetals
300
a ____ element is one in which the nucleus breaks down and gives off particles and energy
What is radioactive
300
Where are halogens located?
What is group 17
300
polyatomic ion
What is positively or negatively charged, covalently bonded group of atoms
300
represent the number of units of each substance in a reaction
What is Coefficients numbers
400
A _______ forms when a halogen gains one electron from a metal
What is Salt
400
a group of elements that have two electrons in its outer energy level is the _____
What is alkaline earth metals
400
Where is the nitrogen family located?
What is group 15
400
positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
What is oxidation number
400
one element replaces another one in a compound; A+BC=AC+B
What is Single-Displacement Reaction
500
Halogen used in disinfectants and bleaches
What is Chlorine
500
copper, silver, and gold are in what group?
What is group 11
500
What group is the oxygen group in?
What is group 16
500
molecule that shares electrons equally and does not have oppositely charged ends
What is nonpolar molecule
500
A ________ results if a precipitate, water, or a gas forms when two ionic compounds in solution are combined; AB+CD=AD+CB