Question

1. many of the elements we will use have an abbreviation (chemical symbol) very similar to their name. unfortunately, not all are that way. this chart is intended to help you familiarize yourself with some of the chemical symbols that arent similar to the name and to the elements that we use frequently in chemistry class.

element name	chemical symbol	atomic number	period number	group number	metal or nonmetal
gold
	ag
		11
	h
helium
		19
	mg
iron
		17
calcium
	o
		53
	c
copper
nitrogen
		24
	sr
		92		xxxxxxxxx
plutonium				xxxxxxxxx
	xe
		50
lead
	ar

Explanation:

Step1: Recall element properties

Use periodic - table knowledge.

Step2: Fill in Gold

Chemical symbol: Au, Atomic number: 79, Period number: 6, Group number: 11, Metal.

Step3: Fill in Silver

Element name: Silver, Atomic number: 47, Period number: 5, Group number: 11, Metal.

Step4: Fill in Sodium

Element name: Sodium, Chemical symbol: Na, Period number: 3, Group number: 1, Metal.

Step5: Fill in Hydrogen

Atomic number: 1, Period number: 1, Group number: 1, Non - metal.

Step6: Fill in Helium

Chemical symbol: He, Atomic number: 2, Period number: 1, Group number: 18, Non - metal.

Step7: Fill in Potassium

Element name: Potassium, Chemical symbol: K, Period number: 4, Group number: 1, Metal.

Step8: Fill in Magnesium

Atomic number: 12, Period number: 3, Group number: 2, Metal.

Step9: Fill in Iron

Chemical symbol: Fe, Atomic number: 26, Period number: 4, Group number: 8, Metal.

Step10: Fill in Chlorine

Element name: Chlorine, Period number: 3, Group number: 17, Non - metal.

Step11: Fill in Calcium

Chemical symbol: Ca, Atomic number: 20, Period number: 4, Group number: 2, Metal.

Step12: Fill in Oxygen

Element name: Oxygen, Atomic number: 8, Period number: 2, Group number: 16, Non - metal.

Step13: Fill in Iodine

Element name: Iodine, Chemical symbol: I, Period number: 5, Group number: 17, Non - metal.

Step14: Fill in Carbon

Atomic number: 6, Period number: 2, Group number: 14, Non - metal.

Step15: Fill in Copper

Chemical symbol: Cu, Atomic number: 29, Period number: 4, Group number: 11, Metal.

Step16: Fill in Nitrogen

Atomic number: 7, Period number: 2, Group number: 15, Non - metal.

Step17: Fill in Chromium

Element name: Chromium, Chemical symbol: Cr, Period number: 4, Group number: 6, Metal.

Step18: Fill in Strontium

Atomic number: 38, Period number: 5, Group number: 2, Metal.

Step19: Fill in Uranium

Element name: Uranium, Chemical symbol: U, Period number: 7, Group number: (actinide series), Metal.

Step20: Fill in Plutonium

Chemical symbol: Pu, Atomic number: 94, Period number: 7, Group number: (actinide series), Metal.

Step21: Fill in Xenon

Element name: Xenon, Atomic number: 54, Period number: 5, Group number: 18, Non - metal.

Step22: Fill in Tin

Element name: Tin, Chemical symbol: Sn, Atomic number: 50, Period number: 5, Group number: 14, Metal.

Step23: Fill in Lead

Chemical symbol: Pb, Atomic number: 82, Period number: 6, Group number: 14, Metal.

Step24: Fill in Argon

Element name: Argon, Atomic number: 18, Period number: 3, Group number: 18, Non - metal.

Answer:

Element Name	Chemical Symbol	Atomic Number	Period Number	Group Number	Metal or Nonmetal
Silver	Ag	47	5	11	Metal
Sodium	Na	11	3	1	Metal
Hydrogen	H	1	1	1	Non - metal
Helium	He	2	1	18	Non - metal
Potassium	K	19	4	1	Metal
Magnesium	Mg	12	3	2	Metal
Iron	Fe	26	4	8	Metal
Chlorine	Cl	17	3	17	Non - metal
Calcium	Ca	20	4	2	Metal
Oxygen	O	8	2	16	Non - metal
Iodine	I	53	5	17	Non - metal
Carbon	C	6	2	14	Non - metal
Copper	Cu	29	4	11	Metal
Nitrogen	N	7	2	15	Non - metal
Chromium	Cr	24	4	6	Metal
Strontium	Sr	38	5	2	Metal
Uranium	U	92	7	(actinide series)	Metal
Plutonium	Pu	94	7	(actinide series)	Metal
Xenon	Xe	54	5	18	Non - metal
Tin	Sn	50	5	14	Metal
Lead	Pb	82	6	14	Metal
Argon	Ar	18	3	18	Non - metal