Chemistry atom and short answer questions

Atoms and Molecules – Short Answer Questions

The inner most shell is the K-shell and it holds only 2 electrons. This is followed by the M-shell which can hold up to 18 electrons. Alloys are mixtures containing at least one metal. Safety matches are slightly different.

Waterproof matches have a thin coating of wax over the whole match. There are lots of different combinations of fusion and decay which could make gold. Blues and greens are usually made through luminescence.

Bring the two together and add the heat generated by friction, and you have a flame. It would take three iron nuclei and a hydrogen to give you enough protons to make gold.

The rough side of the box contains most of the phosphorus. This makes alloys harder than the pure metal.

Questions and Answers

You must distribute them. Take iron - whilst extremely strong, it is also very brittle The hold is caused by ozone reacting with CFCs - pollutants used in refrigeration.

Just so long as the math worked out. This damaging radiation is emitted by the Sun and is extremely dangerous. In nitrogen, the K-shell s orbital and L-shell s orbital are full, so both will have pairs of electrons with opposite spins.

There are two spin rules to recall. This allows the match to catch. Back to the question A Each lobe is at "right angles" squared to the others.

By smashing a beryllium atom with 4 protons into a lithium atom with 3 protons a star made nitrogen. If you put one electron into each orbital you did it right!

To give you enough time to move the match to whatever you wish to light, most matchsticks are treated with paraffin candle wax. Certain mixtures are even more impressive.

After the star had used up all its hydrogen creating heliumit underwent a contraction, which started a new type of nuclear fusion. The first friction match was invented in by English chemist, John Walker. The remaining 3 electrons go into the higher energy p orbitals.

This is due to the substitution of sugar with the sweetener aspartame. This is far too many for mere nuclear fusion inside a star.

Match heads are made using phosphorus - a highly combustible element - that catches fire due to the friction caused when striking the match.Atoms and Molecules – Short Answer Questions. November 4, by phani cbse 1 Comment.

Contents. Q4. An atom of neon has a mass of x \({10}^{}\) g. How many atoms of neon are there in 20 g of the gas?

I need more questions like these. Tey helped me a lot in gaining knowledge.

General Knowledge - Chemistry

Leave a Reply Cancel reply. What You Need To Know for the Chemistry Regents Exam. The Test. The Chemisty Regents Exam is broken down into three sections: Approximately 15 short answer questions, most broken.

down into smaller parts. This is often an eclectic, The Atom Moles and Stoichiometry. Start studying hot short answers chemistry regents.

Top Ten Chemistry Questions and Answers

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Here are some online sites that offer worked problems and answer chemistry questions: Worked General Chemistry Problems: This is my personal collection of chemistry problems and examples, with links to review the subject matter.

Science Bowl Questions Chemistry - 3 Short Answer: What is the word that describes a substance that reacts with both strong acids and strong. This is the general knowledge questions and answers section on "Chemistry" with explanation for various interview, competitive examination and entrance test.

Solved examples with detailed answer description, explanation are given and it would be easy to understand.

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Chemistry atom and short answer questions
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