1) How many metals are there on the periodic table? a) 81 b) 17 c) 63 d) 118 e) 91 f) 24 2) What is the chemical symbol for Hydrochloric Acid? a) H20 b) NaCl c) Cl d) HCl e) H f) NaOH 3) What is the definition of a compound? a) A substance made of one type of atom b) Two of the same atom c) Two or more elements chemically bonded 4) What are the chemical formulas of these substances? (Water, sodium hydroxide, lead, magnesium, argon) a) H20, NaCl, Pb, Mg, AR b) H02, NH, Ld, Mg, Ar c) H20, NaOH, Pb, Mg, Ar d) H0, NaCl, Pb, MG, AR 5) Which elements have similar properties to Beryllium? a) Scandium b) Magnesium c) Strontium d) Potassium e) Sodium f) Calcium 6) Which is not a magnetic metal? a) Cobalt b) Nickle c) Copper d) Iron 7) Properties of Non-Metals a) Dull appearance (not shiny) b) Good conductor of electricity c) Poor conductor of heat d) Not magnetic e) Low density f) Sonorous (ringing sound when hit)

Periodic Table

In
Nhúng

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?