Question

Q1: What is the charge of atom? Why?
Q2: State the law of constant proportion and law of chemical combination.

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Answer 1

Answer:

1)An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.

2)!Law of Constant Proportions

Or, in a chemical compound, the elements are always present in definite proportions by mass. This means each compound has the same elements in the same proportions, regardless of where the compound was obtained, who prepared it, or its mass.

Answer 2

Explanation:

Q1: What is the charge of atom? Why?

ANS:-Electrons contribute greatly to the atom's charge, as each electron has a negative charge equal to the positive charge of a proton. Scientists define these charges as “+1” and “-1. ” In an uncharged, neutral atom, the number of electrons orbiting the nucleus is equal to the number of protons inside the nucleus.

Q2: State the law of constant proportion and law of chemical combination.

ANS:-Law of Constant Proportions

Or, in a chemical compound, the elements are always present in definite proportions by mass. This means each compound has the same elements in the same proportions, regardless of where the compound was obtained, who prepared it, or its mass.

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