Computa Quiz - ComputaNetworks

Question 1 / 20

What is the smallest basic unit of matter that retains the chemical properties of an element?

A. Molecule B. Atom C. Compound D. Mixture

Question 2 / 20

A substance made up of only one type of atom is called a/an:

A. Compound B. Mixture C. Element D. Solution

Question 3 / 20

Which of the following is an example of an element?

A. Water B. Common salt C. Iron D. Carbon dioxide

Question 4 / 20

What is the chemical symbol for the element Oxygen?

A. Ox B. O C. Og D. Om

Question 5 / 20

Which particle inside an atom carries a positive electrical charge?

A. Electron B. Neutron C. Proton D. Molecule

Question 6 / 20

Who was the ancient Indian philosopher who suggested that matter is made of indivisible particles called 'Parmanu'?

A. Maharishi Kanad B. Aryabhata C. Charaka D. Varahamihira

Question 7 / 20

What is the chemical symbol for Hydrogen?

A. Hy B. Hd C. H D. He

Question 8 / 20

The central dense core of an atom is known as the:

A. Electron cloud B. Nucleus C. Molecule D. Orbit

Question 9 / 20

Which extremely light particle revolves around the nucleus of an atom?

A. Proton B. Neutron C. Electron D. Positron

Question 10 / 20

What is the chemical symbol for Carbon?

A. Ca B. Cr C. C D. Co

Question 11 / 20

Gold, silver, and copper are all examples of:

A. Compounds B. Elements C. Non-metals D. Mixtures

Question 12 / 20

An atom is electrically neutral because it has equal numbers of:

A. Protons and Neutrons B. Neutrons and Electrons C. Protons and Electrons D. Atoms and Molecules

Question 13 / 20

Which of the following is the lightest and most abundant element in the universe?

A. Oxygen B. Helium C. Nitrogen D. Hydrogen

Question 14 / 20

What is the chemical symbol for Iron?

A. Ir B. Fe C. In D. I

Question 15 / 20

A pure substance that cannot be broken down into simpler substances by ordinary chemical methods is a/an:

A. Element B. Compound C. Mixture D. Solution

Question 16 / 20

Which of these elements is a liquid at room temperature?

A. Iron B. Gold C. Mercury D. Aluminum

Question 17 / 20

What is the chemical symbol for Sodium?

A. So B. Sd C. S D. Na

Question 18 / 20

How many different types of atoms are present in any single element?

A. Only one type B. Two types C. Three types D. Infinitely many types

Question 19 / 20

The subatomic particle that has no electrical charge (is neutral) is the:

A. Proton B. Electron C. Neutron D. Ion

Question 20 / 20

What is the chemical symbol for Helium?

A. H B. He C. Hl D. Hu

Quiz 1: Atoms and Elements

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