1) What is the atomic number of carbon? a) 12.001 b) 6 c) C 2) What is the symbol for hydrogen? a) 1.008 b) H c) 1 3) What is this element's name? a) 7 b) Nitrogen 4) What is the atomic weight of Oxygen? a) 15.9994 b) O 5) What is the symbol of carbon? a) C b) H 6) How many protons are in Carbon? a) 6 b) 12.011 7) What is the symbol of oxygen? a) O b) N 8) What is the symbol for hydrogen? a) H b) He 9) What is the symbol for sulfur? a) S b) Su 10) What is the atomic weight for calcium? a) C b) Ca 11) Where are the elements located? a) Periodic Table of Elements b) Periodic Table of Elephants

Elements on the Periodic Table practice

Tabela rankingowa

Motyw

Opcje

Zmień szablon

Przywrócić automatycznie zapisane ćwiczenie: ?