CHEMISTRY HIGH SCHOOL

What is the total number of valence electrons in an atom of germanium in the ground state?(1) 8 (3) 14
(2) 2 (4) 4

Answers

Answer 1
Answer: The answer is (4) 4. Germanium is a main group element in group 4A. Therefore, like carbon, it has 4 valence electrons in the ground state.

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What determines the strength of an Arrhenius base?

Answers

The strength of an acid is related to the ease

Calculate the number of grams of CH_3COOH in the vinegar.

Answers

when density in g/ml
9.86ml CH3COOH (X g/1ml) = g
1.049g/ml
9.86ml (1.049g/1ml) = 10.343 g
hope it helps

What is the charge that results when fluorine becomes an ion?

Answers

-1 is the charge that results.

What is the result of multiplying (2.5 × 1010) × (3.5 × 10-7)?

Answers

The result of multiplying that equation is 70,700.

A logical, systematic approach to the solution of a scientific problem1. Scientific Method
2. Scientific Law
3. Chemistry
4. Experiment

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The answer is (1) Scientific Method. The Scientific Method is the method in which scientists do an experiment. It's a logical series of steps that ensures scientists don't miss anything and keep things organized.

When iron rusts in air, iron (III) oxide is produced. How many moles of oxygen react with 2.4 mol of iron in the rusting reaction shown below ?

Answers

the answer is 2.4*3/2 = 3.6 mol o2
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