kirstenjordan50 kirstenjordan50

02-11-2017
Chemistry

contestada

Which is not a compound?
A.carbon dioxide gas
B.oxygen gas
C.water
D.silicon dioxide

Respuesta :

mylifeizamess62 mylifeizamess62

02-11-2017

Oxygen is the answer becoz it is an element

Answer Link

Аноним Аноним

02-11-2017

The answer is b oxygen gas b/c its an element

Answer Link

Otras preguntas

What is a simple life cycle of a bird?

What is the chemical formula for iron(III) oxide? (1) FeO (3) Fe3O (2) Fe2O3 (4) Fe3O=

Which change is exothermic? (1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine

List three important steps in the early development of life on Earth?

18% of what number is 90? A. 50 B. 5 C. 16.2 D. 500

When a neutral atom undergoes oxidation, the atom’s oxidation state(1) decreases as it gains electrons(2) decreases as it loses electrons(3) increases as it gai

At standard pressure, which element has a melting point higher than standard temperature? (1) F2 (3) Fe (2) Br2 (4) Hg

Which group of nuclear emissions is listed in order of increasing charge? (1) alpha particle, beta particle, gamma radiation (2) gamma radiation, alpha particle

What is the total number of electrons found in an atom of sulfur? (1) 6 (2) 8 (3) 16 (4) 32

Which statement best explains the role of a catalyst in a chemical reaction? (1) A catalyst is added as an additional reactant and is consumed but not regenerat