Physics

Physics, 12.10.2019 08:00, tynyiaawrightt

What element on the periodic table has 31 protons and 37 neutrons?

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Chemistry, 05.07.2019 13:10, zmoore8015

How can you use the periodic table to find the number of protons in one atom of an element? a: the number of protons is the same as the atomic number of the element. b: the number of protons is the same as the atomic weight of the element. c: the number of protons can be found by subtracting the number of electrons from the number of neutrons. d: the number of protons cannot be determined from the information of the periodic table.

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Chemistry, 27.09.2019 03:30, Gearyjames8

Its asking to match these fake elements descriptions with real elements nobelium (nb): this gas is located directly below lightium on the periodic table and has an atomic mass close to 40 amu with 18 protons. liquidium (lq): this is a nonmetal and has the second largest atomic mass number on the alien periodic table. supermanium (sp): this element has the largest atomic mass unit on the alien’s periodic table at close to 84 amu. bonsium (bo): this element is important for bone strength, both for aliens and earthlings. it is a metal in group 2 of the periodic table and has 20 neutrons. organium (or): this element makes up diamonds, which are not as valuable in other places in the universe as they are on earth. it contains six protons in the nucleus of its atom. killum (ki): this is a notoriously poisonous metalloid with an atomic mass close to 75 amu. universium (uv): this is a heavy nonmetal, a pretty large atomic mass number and chemical properties similar to rottoneggium and breathium. semicoductium (sc): this element is the metalloid with the lowest mass. it has one less proton than organium. computerium (co): this is an element that the aliens use in their electronics, stun guns, and in their communication devices because it is a semi-conductor. its mass is significantly greater than the mass of semicoductium and it has 14 electrons. ikium (ik): this is a semi-conductor that is found below computerium on the periodic table. the element has 32 protons and 41 neutrons. spriklium (sk): an atom of this element may have an actual mass of 70 amu with 39 neutrons. alloyium (am): this is a relatively rare metal that is often used as a hardening agent in metal alloys/mixtures. it is the second lightest metal on the periodic table. metium (me): this is a very reactive metal with the lowest mass of all the metals on the entire periodic table. bananium (bn): this element has similar chemical properties to softium and metium, but is heavier than both. abundium (a): this is the ninth most abundant element in the universe. it is a metal with 12 protons in its nucleus.

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Chemistry, 02.10.2019 11:00, sindy35111

The periodic table lists two main numbers for each element. the atomic number is an integer that equals the number of protons. the number of neutrons is not given in the periodic table because it will vary with different isotopes. the mass number of an element is the sum of the protons and neutrons. to find the number of neutrons, the atomic number must be subtracted from the mass number.

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Chemistry, 20.11.2019 04:31, Elijah7934

how can you use the periodic table to find the number of protons in one atom of an element? the number of protons is the same as the atomic number of the element. the number of protons is the same as the atomic weight of the element. the number of protons can be found by subtracting the number of electrons from the number of neutrons. the number of protons cannot be determined from the information on the periodic table.

Answers: 3

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What element on the periodic table has 31 protons and 37 neutrons?...

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