Atoms
Organizing
Symbols
Metals
Families
100
The central part of an atom
What is the nucleus?
100
1 or 2 letters that identify the elements
What is a symbol?
100
H
What is hydrogen?
100
name a metal on the periodic table
What is copper, gold, iron, etc.
100
name a nonmetal in the carbon family
What is carbon, silicon, etc.
200
The positively charged particles
What is protons?
200
the number of protons in an atoms nucleus (the number at the top)
What is the atomic number?
200
He
What is helium?
200
The mixture of metals
What is an alloy
200
group 16 is the _______ family
What is oxygen?
300
Negatively charges particles
What is electrons?
300
average mass of an elements atom (number at the bottom)
What is atomic mass?
300
Au
What is gold?
300
what group is the MOST reactive metal
What is alkali metals?
300
The halogen family has ____ valence electrons
What is 7?
400
These particles have NO charge
What is neutrons?
400
a row in the periodic table
What is a period?
400
Cu
What is copper?
400
Metals are made in a lab
What is lanthanides and actinides?
400
Neon lights are an example of...
What is noble gases?
500
Electrons furthest away from the nucleus and are involved in sharing or transferring
What is a valence electron?
500
there are ___ groups in the periodic table
What is 18?
500
Fe
What is iron?
500
hese metals make bronze
What is copper and tin?
500
how many metalliods are there?
What is 7?
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