# Atomic Number 29

Of protons in an atom of the element=atomic no.=29. Of neutrons in an atom of the element=mass no.-atomic no.=64-29=35. Of electrons in a neutral atom of the element=atomic no.=29. Electronic configuration of the element is 1s2 2s2 2p6 3s2 3p6 3d10 4s1. Thus, 4 shells hold the electrons of the each atom in the element Copper.

• Would the phrase 'different mass number, same atomic number' be correct in describing an isotopes? 27 If a neutral copper atom (atomic number 29) becomes an ion that has a charge of 2+, how many electrons does the resulting ion have?
• Copper is a reddish orange metal that has the atomic number 29 in the periodic table. It is a Transition metal and located in Group 11 of the periodic table. It has the symbol Cu. Copper (Cu) is a soft and malleable metal that has a high thermal and electrical conductivity.

Explanation is in a file

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Explanation:

B. It has a central nucleus composed of 29 protons and 35 neutrons,surrounded by an electron cloud containing 29 electrons.

Explanation:

Atomic mass is nuetrons + protons.

Basically it's

? nuetrons + protons = 64

I did process of elimination:

b) It cannot be 'b' because 29 + 64 doesn't equal 64.

c) It cannot be 'c' because in a regular molecule the amount of protons equals to amount of electron(s).

d) 29 + 29 doesn't = 64.

it's B

Explanation:

:p

The answer is B. It has a central nucleus composed of 29 protons and 35 neutrons, surrounded by an electron cloud containing 29 electrons.

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Question 13 of 20A copper atom has an atomic number of 29 and an atomic mass of 64. What
is...

Dictionary entry details

ATOMIC NUMBER 29(noun)

Sense 1

Meaning:

A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

Classified under:

Nouns denoting substances

Synonyms:

atomic number 29; copper; Cu

Hypernyms ('atomic number 29' is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

conductor (a substance that readily conducts e.g. electricity and heat)

Hyponyms (each of the following is a kind of 'atomic number 29'):

blister copper (an impure form of copper having a black blistered surface)

Holonyms ('atomic number 29' is a substance of...):

bornite; peacock ore (a mineral consisting of sulfides of copper and iron that is found in copper deposits)

chalcocite; copper glance (a heavy grey mineral that is an ore of copper)

chalcopyrite; copper pyrites (a yellow copper ore (CuFeS2) made up of copper and iron sulfide)

cuprite (a mineral consisting of cuprous oxide that is a source of copper)

malachite (a green or blue mineral used as an ore of copper and for making ornamental objects)

## Copper Atom

brass (an alloy of copper and zinc)

## Copper Atomic Number 29

bronze (an alloy of copper and tin and sometimes other elements; also any copper-base alloy containing other elements in place of tin)