How many electrons, protons, and neutrons are there in an atom of 40Ca? (A) 30 protons, 30 neutrons, 30 electrons (B 15 protons, 25 neutrons, 15 electrons c) 6 protons, 34 neutrons, 6 electrons D 20 protons, 20 neutrons, 20 electrons

Cobalt-60 is a radioactive isotope sometimes used in the treatment of cancer. How many neutrons, protons and electrons are in Cobalt-60?

All atoms of a given element have the same A) density В number of neutrons mass D number of protons E number of electrons and neutrons

What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

a)For carbon-12 and carbon-14, how many protons and neutrons are in each nucleus? Carbon-12 has  protons. Carbon-12 has  neutrons. Carbon-14 has  protons. Carbon-14 has  neutrons. (1b )Assuming neutral atoms, how many electrons are present in an atom of carbon-12 and in an atom of carbon-14? Carbon-12 has  electrons. Carbon-14 has  electrons.

An 18 O atom contains the same number of protons. neutrons, and electrons.

3b please

What is the isotope symbol for atoms that contain the following numbers of subatomic particles? a) 1 proton, 1 electron, and 2 neutrons (b) 4 protons, 4 electrons, and 5 neutrons (c) 15 protons, 15 electrons, and 16 neutron

An atom with 15 protons and 18 neutrons would be an isotope of: arsenic phosphorus argon sulfur Ochlorine

(1) How many protons and neutrons are there in the nucleus of an atom that has an atomic number of 85 and a mass number of 218? protons = neutrons = (2) What is the symbol for the element? element =