Alkali metals are highly reactive and have ___ electrons in their outer shell.
1
Alkaline earth metals are reactive and have ___ electrons in their outer shell.
2
Boron has this symbol.
B
Halogens have this many electrons in their outer shell.
7
Nobel gases are the least reactive nonmetals, as their outer shell is _____.
full,with 8 electrons (He has 2)
Alkali metal found in most batteries- symbol Li
Lithium
The element Beryllium has this symbol
Be
Carbon is found in diamonds, graphite, and humans. What is its symbol?
C
Found in toothpaste, this element has a F symbol.
fluorine
This gas has only 2 electrons in its outer shell.
He
All alkali metals are in this group #.
1
This alkaline earth metal has a symbol of Mg
Magnesium
Found in breast implants and computer chips, this element has a symbol Si.
Silicon
Found in pools as disinfectant, this has a symbol of Cl.
chlorine
Used in glowing signs, this is a gas that can be electrified.
neon
The symbol for Potassium
K
Most alkaline earth metals give up 2 electrons to get this charge as an ion.
+2
Found in fertilizers, this has a symbol of P.
phosphorus
This is the charge a halogen takes as it gains an electron in an ionic bond.
-1
Materials that act the same/ similar properties are often found in the same ________ on the Periodic table.
group
The symbol for Sodium
Na
Found in milk, this element has a symbol of Ca.
calcium
A bright yellow crystal nonmetal, this has a symbol of S.
sulfur
In this type of bond, a metal gives electrons to a nonmetal.
ionic bonding
Which three Nobel gases are found in the first 20 elements?
Helium, Neon, Argon