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प्रश्न
Select the correct answer from the choice given below.
The negatively charged particles in an atom
विकल्प
protons
neutrons
electrons
उत्तर
electrons
संबंधित प्रश्न
Define: Elements
Classify the following substances into compounds and mixtures:
Correct the following statement:
CO and Co both represents cobalt.
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Give two examples of Noble gases.
Give one use of the following substance:
Coal
Give reason: Argon is filled in electric bulbs.
Indicate whether the following statement is true or false:
Metals can be polished.
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
What is the Latin name of Sodium?
