my today's exam question
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Answers
Explanation:
chemestry:-
1. Having more electron is known as anion and having less electron is called cation.
2. NH4CI
3. atomicity
4. i. All matter is made of atoms. Atoms are indivisible and indestructible. ii.Compounds are formed by a combination of two or more different kinds of atoms. iii. A chemical reaction is a rearrangement of atoms.
5. The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
baki nhi aate.....
Answer:
Chemistry
1) The particles that have more or less electrons than normal atoms are called ions
2) NH4Cl
3) Atomicity
4) 1. All matter consists of indivisible particles called atoms.
1. All matter consists of indivisible particles called atoms.2. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements.
5) The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.