Could a mixture be made up of only elements and no compounds? explain.

What tool could be used to measure pressure? what units would this measure in?

What is the name for a nuclear particle that has about the same mass as a neutron, but with a positive charge? nuclide proton electron isotope.

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is formed from the parent isotope? 1) stable electrons 2) stable nucleus 3) positively charged atom 4) negatively charged atom

How many moles of Ne gas will occupy 40.0 L of space at STP

Explain what needs to happen for the box to start moving

What is a possible charge of an anion? +3 -2 0 +1

What is the oxidizing agent in the reaction fe + agno3 fe (no3) 3 + ag?

If the pituitary gland is inhibited, then what stops

Which mass measurement contains four significant figures? 1. 0.086 g 2. 0.431 g 3. 1003 g 4. 3870 g

A main function of a plant's seed is to