hailyhansen8 hailyhansen8

02-09-2021
Chemistry

contestada

Which element is a nonmetal and makes up the largest percentage of the air?
A hydrogen
C nitrogen
D neon
B oxygen

Respuesta :

meredithherring meredithherring

02-09-2021

I think might be Hydrogen

Answer Link

Otras preguntas

jack will be x years old in 8 years. How old is he now

An example of a is aluminum foll,

Which of the following would be an atom of Gold (AU)? * A-Protons = 118, Electrons = 79, Neutrons = 79 B-Protons = 79, Electrons = 79, Neutrons = 197 C-Protons

I WILL MARK AS BRAINELIST IF EXPLANATION GIVEN... also +25 points The sum of a number and its reciprocal is 2 1/12. Find the number.

Select all the correct answers. Based on the enthalpy changes given for the reactions, which reactions are endothermic? 2H2O → 2H2 + O2, ΔH = 484 kJ C + O2 → CO

Choose a matching analogy. (ravenous : hungry)

AOP x 1002 = AOP566 what numbers are AOP

4. A tent has a volume of 26.25 in. Every dimension is multiplied by a scale factor so that the new tent has a volume of 1680 in? What was the scale factor?

(80pts) HELP 1 easy question please I’m desperate #6 please

2. Humans, plants and mushrooms are all alive. What do these organisms have in common?