andresjohnston andresjohnston

19-08-2020
Chemistry

contestada

What is the atomic mass for Helium (He)? Question 5 options: 8 2 3 4

Respuesta :

JackieU2 JackieU2

19-08-2020

It is 2 because if you have a chart that shown all the elements at the top left corner it would show a number and that is the atomic number

Answer Link

Otras preguntas

Does the second law of thermodynamics alter the conservation of energy principle?

How to convert 358 to a number name

Why was the Irrigation system so important???????please help if u know

there are 34 people in a restaurant. four groups of 3 people leave and then 5 groups of 2 arrive. evaluate the expression 34 - 4 * 3 + 5 * 2 to determine how ma

can you simplify 6/60?

the moon is about 240,00 miles from earth. what is this distance written as a whole number multiplied by a power of ten

Solve each equation.1. 9/2x+18+3x=11/22. (x+6)-(2x=7)-3x=-9

Use the digits 1-7 to create a seven-digit number that can be rounded to 6,300,000.

Use the place value What is the 805 tens = ____________

is 3/47 rational number

ACCESS MORE