During nuclear fusion on a protostar, ___ fuse to form helium atoms

An atom of sodium-23 (atomic number = 11) has a positive charge of + 1. Given this information, how many electrons does it have? How many protons and neutrons does this atom have?

Lactobacilli bacteria are present in which food preservation

Match the reactants with the products. aluminum chloride + copper copper oxide zinc sulfate + copper copper sulfate + oxygen copper + water copper + oxygen - > copper oxide + hydrogen copper sulfate + zinc aluminum + copper chloride

Magnesium has an atomic number of 12. To which atom would a magnesium atom transfer its valence electrons? A - HE B/C C - S D-B

How many protons are in Cesium-135 (Cs) ? 35, 55, 80, 195

Ionization involves completely removing an electron from an atom. light of a particular wavelength can cause ionization to occur if it has the required energy. the energy to ionize a certain element is 342 kj/mol.

How many molecules are contained in a 7.20-g sample of dimethylmercury?

Could a nuecles of more than one proton but no nuetron exist? Explain

Which of this is the method by which fire extinguisher works? a) the cut of oxygen supply to the burning substance. b) the reflect away the heat because of there colour and does cool down the burning substance.

Stereoisomers are: Molecules that are coiled into compact and spherical shapes Molecules that release heat and have negative enthalpy changes Molecules with the same molecular formula but differ in the way their atoms are connected.