GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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atoms
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elements
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compounds
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chemicals
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Detailed explanation-1: -Scientists once thought the most fundamental building block of matter was a particle called the atom. Now we know that the atom is made of many smaller pieces, known as subatomic particles. Every atom contains a central core called the nucleus, made of particles called protons and neutrons.
Detailed explanation-2: -Atoms are made up of even smaller subatomic particles, three types of which are important: the proton, neutron, and electron. The number of positively-charged protons and non-charged (“neutral”) neutrons, gives mass to the atom, and the number of each in the nucleus of the atom determine the element.
Detailed explanation-3: -Atom is the ultimate particle of an element which shows all the properties of the element. Atoms can neither be created nor be destroyed in a chemical reaction. Thus, the atoms are the building block of all matter.
Detailed explanation-4: -Atoms are the building blocks of matter.