Elements REVIEW SOL 6.4 Science 6 Chapter 4

# 1 Abreviation for GOLD.

1 Au

2 Silver abbreviation

2 Ag

3 Copper abbreviation

3 Cu

4 What element is most common in earth’s atmosphere (78%)? Give word and abbreviation

4 Nitrogen N

# 5 Na and Cl are 2 elements that combine to form salt in ocean water. Give the NAMES of these 2 elements.

5 Sodium and chlorine

6 What element is second most common in earth’s atmosphere? Give Name and Abbreviation.

6 OXYGEN O

7 Rn is the abbreviation for what element?

7 Radon

8 Give the abbreviation for ZINC.

8 Zn

9 Give the abbreviation for Tin.

9 Sn (tin)

10 Tell the symbol for Iron.

10 Fe

11 H is the symbol for what?

11 Hydrogen

12 He is the symbol for ______________.

12 Helium

13 Give the symbol for calcium.

13 Ca

14 Si is the abbreviation for this element that is abundant in Earth’s crust. (name the element with the symbol Si).

14 Silicon

15 What is the symbol for Magnesium?

15 Mg

16 Tell the symbol for Potassium

16 K

17 Al is the abbreviation for which element?

17 Aluminum

18 Ni is the symbol for this element, which is found in earth’s core. (Ni is symbol for what?)

18 Nickel

19 Compounds

19 _____________________ can be made of 2 or more atoms off either the same element or different elements.

20 ______________are positively charged molecules in the nucleus of an atom.

20 Protons

21 _____________________ are particles with NO CHARGE in the nucleus of an atom.

21 Neutrons

22 To find the number of neutrons you take the __________________ - the atomic number.

22 Mass number

23 _____________________= pure substance made of only one type of atom.

23 Elements

24 Ag is the symbol for what element? .

24 Silver

25 Cu is a symbol for which element?

25 COPPER

26 _________________are always made of 2 or more atoms of different elements.

26 Compounds