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# What has 42 protons and 42 electrons?

## What has 42 protons and 42 electrons?

Main Isotopes of Molybdenum Molybdenum-92 is composed of 42 protons, 50 neutrons, and 42 electrons. Molybdenum-94 is composed of 42 protons, 52 neutrons, and 42 electrons.

## What is the number of neutrons in calcium-42?

22
Properties of Calcium-42 Isotope:

Properties of Calcium-42 Isotope: CALCIUM-42
Neutron Number (N) 22
Atomic Number (Z) 20
Mass Number (A) 42
Nucleon Number (A) 42

How many neutrons are in 27Al3 +?

Problem: The total numbers of neutrons, protons, and electrons in 27Al3+ are: A. 14 neutrons, 13 protons, 13 electrons B.

### How many protons does 40ca have?

The number of protons of a neutral atom and its ion is the same. Ca and 40Ca2+ both have 20 protons.

### What has 42 protons in the nucleus?

Molybdenum is a transition metal element, on the Periodic Table, with 42 protons in the nucleus.

What is the 42nd element?

molybdenum
Chemistry in its element: molybdenum And 42, as every Mendeleev fan knows, is the atomic number of molybdenum.

#### How many protons and electrons are in aluminum?

Therefore, for an atom of aluminum, there are 13 electrons inside it. So we’ve demonstrated that for an aluminum atom which has the atomic number of 13 and has a mass number of 27, there are 13 protons, 14 neutrons, and 13 electrons.

#### How many protons and neutrons are in an atom of 137ba?

1 Answer. Oscar L. This nucleus has 56 protons and 137−56=81 neutrons.

How many neutrons are in aluminium?

14
The number of protons in Aluminium is 13. The 27 means the atomic mass is 27 . The number of protons plus the number of neutrons is 27. That means the number of neutrons is 27–13=14.

## How many electrons does calcium 42 have?

Calcium-42 is composed of 20 protons, 22 neutrons, and 20 electrons.

How many protons and neutrons does calcium 43 have?

Properties of Calcium-43 Isotope:

Properties of Calcium-43 Isotope: CALCIUM-43
Neutron Number (N) 23
Atomic Number (Z) 20
Mass Number (A) 43
Nucleon Number (A) 43