# Atoms And Elements Trivia

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Pudding4me
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Quizzes Created: 6 | Total Attempts: 3,672
Questions: 10 | Viewed: 253

1.

### What is the smallest particle of an element that retains its properties?

Explanation:
An atom is the smallest particle of an element that retains its properties. It consists of a nucleus containing protons (positively charged) and neutrons (neutral), surrounded by electrons (negatively charged) in orbitals. Atoms combine to form molecules, but an individual atom retains its characteristic properties such as atomic number and chemical behavior.
2.

### How many electrons can the first shell of an atom hold?

Explanation:
The first shell of an atom, also known as the K-shell, can hold a maximum of 2 electrons. This shell fills with electrons before subsequent shells begin to fill. The electron configuration determines the chemical properties and reactivity of an element, with electrons occupying specific energy levels or shells around the nucleus.
3.

### Which subatomic particle has a positive charge?

Explanation:
Protons are subatomic particles with a positive charge. They are located in the nucleus of an atom alongside neutrons, contributing to the atom's mass and defining its atomic number. Protons are crucial in determining the identity of an element, as each element has a unique number of protons in its nucleus.
4.

### What is the atomic number of an element based on?

Answer: Number of protons
Explanation:
The atomic number of an element is based on the number of protons in its nucleus. This number defines the element's identity and position in the periodic table. Elements with the same atomic number share similar chemical properties, reflecting their identical number of protons and electron configurations.
5.

### Which group of elements in the periodic table is known as the "noble gases"?

Explanation:
Group 18 elements in the periodic table are known as noble gases. They are characterized by their stable electron configurations with a full outer shell of electrons, making them inert and less reactive compared to other elements. Noble gases include helium, neon, argon, krypton, xenon, and radon.
6.

### What is the chemical symbol for iron?

Explanation:
The chemical symbol for iron is Fe, derived from its Latin name "ferrum." Chemical symbols are shorthand representations of elements used in chemical formulas and equations. Each element has a unique symbol, typically derived from its English or Latin name, allowing for concise and universal communication in chemistry.
7.

### Which element is essential for human bones and teeth?

Explanation:
Calcium is essential for human bones and teeth. It plays a vital role in bone structure and function, aiding in muscle contraction, nerve transmission, and blood clotting. Calcium is obtained through diet and supplements, ensuring proper skeletal development and maintaining bone density throughout life.
8.

### What is the most abundant element in the Earth's crust?

Explanation:
Oxygen is the most abundant element in the Earth's crust, comprising approximately 46.6% by mass. It forms compounds with most other elements, contributing to the composition of minerals and rocks. Oxygen's abundance and chemical reactivity make it fundamental to Earth's geological processes and the sustenance of life.
9.

### Which element is known for its ability to conduct electricity?

Explanation:
Silver is known for its exceptional ability to conduct electricity. It is one of the best conductors of electricity among all metals, characterized by its high electrical conductivity and thermal conductivity. Silver's conductivity properties make it valuable in electrical applications, including electronics, circuitry, and conductive coatings.
10.

### What is the atomic mass of an element determined by?

Answer: Protons and neutrons
Explanation:
The atomic mass of an element is determined by the combined mass of its protons and neutrons in the nucleus. It is expressed in atomic mass units (amu) and represents the average mass of isotopes of an element found in nature. Atomic mass influences an element's chemical behavior and physical properties, providing valuable information for scientific research and practical applications.

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