Chemistry

Chemistry, 14.07.2019 20:40, alicat20

An atom has 27 protons and 22 neutrons. what is the chemical symbol for the atom

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Physics, 10.07.2019 08:00, batmanmarie2004

Why are protons in an atom so important? question 8 options: there are more protons than electrons or neutrons in a neutral atom. protons determine the atoms' identity (type of element) and where it is located on the periodic table. protons determine an atom's chemical properties and how it will react with other elements. protons are bigger than all the other particles in an atom.

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Chemistry, 11.07.2019 00:30, jordynsmith02

Why are protons in an atom so important? question 5 options: a. protons determine the atoms' identity (type of element) and where it is located on the periodic table. b. protons are bigger than all the other particles in an atom. c. protons determine an atom's chemical properties and how it will react with other elements. d. there are more protons than electrons or neutrons in a neutral atom.

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Chemistry, 28.07.2019 03:50, manco6

5questions to answer 1) electrons are transferred in the formation of bonds. a) ionic b) covalent c) metallic d) all chemical 2) which pair below describes isotopes of the same element? a) an atom with 6 protons and 8 neutrons - an atom with 8 protons and 6 neutrons b) an atom with 6 protons and 6 neutrons - an atom with 6 protons and 7 neutrons c) an atom with 8 protons and 8 neutrons - an atom with 7 protons and 8 neutrons d) an atom with 7 protons and 6 neutrons - an atom with 6 protons and 6 neutrons 3) describe the composition of the nucleus of an atom. a) it is composed of protons. b) it is composed of protons and neutrons. c) it is composed of protons and electrons. d) it is composed of protons, neutrons, and electrons. 4) reactant → product if there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? a) 0 grams b) 2 grams c) 4 grams d) 8 grams 5) 2na + cl2 → 2nacl sodium and chlorine combine to form table salt. given the chemical reaction, how many grams of 2na + cl2 would be required to produce 4 grams of table salt? a) 2 grams b) 3 grams c) 4 grams d) 8 grams

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Chemistry, 22.09.2019 01:30, glander2

To find the atomic mass (atomic weight) of an atom you need to a. how many protons are in the atom b. how many neutrons are in the atom c. the average number of protons and neutrons of all like substances on earth (example- silver) d. the chemical symbol, using letters

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An atom has 27 protons and 22 neutrons. what is the chemical symbol for the atom...

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