An atom has 40 electrons and 46 neutrons. how many protons does it have?

What would happen to an enzyme and its reaction if you were to freeze? A. Slow B. Nothing C. Fast

After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O (2) 25.0 g of KNO3 and 100. g of H2O (3) 25.0 g of NaCl and 100. g of H2O (4) 25.0 g of NaNO3 and 100. g of H2O

What would the Net Ionic Equation be for the following: NH3 (aq) + HC2H3O2 (aq) NaOH (aq) + H2SO4 (aq) H2S (aq) + Ba (OH) 2 (aq)

If flowers begin to wilt is there anything that can be done to save them

What would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray

When magnesium combines with sulfur to form magnesium sulfide, it is oxidized to Mg2+. Which statement is true about this reaction? A. It involves gain of electrons. B. It involves loss of electrons. C. It involves loss of oxygen. D.

Equilibrium reaction chromate

How does food in a fridge cool down

How many electrons would be found in the ion whose symbol is given below? N3-

In an atomic model that includes a nucleus, positive charge is a. located in the space outside the nucleus. b. spread evenly throughout an atom. c. concentrated at multiple sites in an atom. d. concentrated in the center of an atom.