Which scientist won the nobel prize for discovering the electron?

a. dalton

b. democritus

c. lavoisier

d. thomson

what is the amount of heat absorbed when the temperature of 75 grams of water increases from 20degrees C to 35 degrees c

A solution that has a pOH of 5.36 is- A. Cannot be determined B. Acidic C. Neutral D. Basic

Why are the halogen elements so dangerous in their uncombined forms?

Which of the following is in the same group as magnesium (Mg) ? Question 1 options: calcium (Ca) sodium (Na) tungsten (W) uranium (U)

Antifederalists opposed ratification of the United States Constitution until they were assured that (1) a bill of rights would be added to the original document (2) their supporters would receive a fair share of federal government jobs (3) the

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons