The charge of the atom is based on the

1. number of protons and electrons

2. number of protons and neutrons

3. number of protons, neutrons, and electrons

4. atomic number

How many molecules are in 5 moles of C3H8? Show set up and answer (I feel like I know this, but I'm stuck - the molar mass of C3H8 is 44.1g)

Definition of matter

How does the hydrogen atom produce light

Why is it that the north star is the only star in the night sky that seems to stay still

What did the geologist likely observe in the environment to draw this conclusion? Check all that apply. The geologist saw large rocks and gravel the geologist saw a few plant species

Occurs when the moon moves between the Earth and Sun and blocks the light

Why have some chemicals been banned from usage in agriculture/food production

Which of the following is a pure substance

What is 825640 in scientific notation

Which type of substance can conduct electricity in the liquid phase but not in the solid phase? metallic element molecular compound nonmetallic element ionic compound