Explanation

Chloride ion and potassium ion are isoelectronic.

AGM 25-12-2022

Explanation

Similarly, you could input the percentages normally and then divide by $100$:

${\text{M}}_r\left(\text{Ga}\right)=\frac{(68.9256\cdot 60.108)+(70.9247\cdot 39.892)}{100}$

${\text{M}}_r\left(\text{Ga}\right)=69.7231\text{to 4 decimal places}$

Explanation

The position of an element in the periodic table is determined by its atomic number, which is the number of protons in the nucleus of an atom.

Atomic Number = Number of Protons

The periodic table is arranged in order of increasing atomic number.

Each element has a unique number of protons, which defines what element it is.

Explanation

the endocrine gland in the pancreas are insulin and glucagon

The pancreas secretes hormones, including:

the blood sugar-regulating hormones: insulin and glucagon

The pancreas secrets pancreatic juice which breakdown the: Proteins and sugars

***

Explanation

On 21 July 1921, a young surgeon named Frederick Banting and his assistant Charles Best

On 11 January 1922, insulin was first used in the treatment of diabetes

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Explanation

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

RK12-12-2022

Explanation

The most popular renewable energy sources currently are:

1.      Solar energy

2.      Wind energy

3.      Hydro energy

4.      Tidal energy

5.      Geothermal energy

6.      Biomass energy

RK12-12-2022

Explanation

When nuclear energy is intended to be harnessed for the generation of electricity, potentially

destructive neutrons released in a nuclear reactor are absorbed by  Cubical blocks of steel Long rods of CD and  A pile of blocks made of graphite

Explanation

Diamond is composed of a single element of carbon

It is the arrangement of the C atoms in the lattice

Diamond is a solid form of pure carbon with its atoms arranged in a crystal.

Explanation

Table salt is the granulated white salt seen in most saltshakers. Table salt is typically mined from underground deposits.

Table Salt is commonly known as Sodium chloride

MUG 11-12-2022