toriwillis toriwillis

01-12-2016
Chemistry

contestada

what gas makes up close to 1/4 of the air surronding the earth?

Respuesta :

01-12-2016

the answer is hydrogen. the first element in the periodic table.

Answer Link

Аноним Аноним

01-12-2016

hydrogen is the answer

Answer Link

Otras preguntas

I got 6 and 7 I just need 8 and 9.

2. what element has 3 valence electrons and 2 energy levels?

Example of past simple

Ruins of settlements in the Indus Valley show that the buildings were constructed of oven-baked bricks. _________________________ A True B False

Complete each sentence with the correct form of ser or estar. 1. ¿Tú en la clase de ciencias con tu prima Ángela? 2. Los papás de Matilde de Guatemala 3. Yo en

so i tried this the first time and got it wrong and now im on my last attempt and im even more confused. Please help and explain in detail! I cant learn anythin

Factor completely 2r^2-3r-9

Would "and the water from leaky roofs would drip over it" be personification or onomatopoeia?

What's a False statement about online time? A. Blue light from devices can make it hard to sleep. B. It's a good way to connect with friends who are far away. C

Word Problem! (decimals)