Question
Modern periodic table has ______ groups and ______ periods.
More Chemistry GS Questions
- Haematite ores is the ore of which metal?
- Which gas is evolved during the reaction of an acid with a metal?
- Which of the following is correct regarding isobars? I. They have different atomic numbers II. The have same mass numbers
- What happens to the boiling point of water at higher altitudes?
- Which of the following cannot be cut by a knife?
- The word “acid” comes from a ________ word.
- The height of a geo-stationary satellite from the Earth's surface is approximately :
- In which form is iron ore primarily found in nature?
- The anode in a dry cell consists of:
- Which is the correct IUPAC name for CH₃CH₂CH(CH₃)CH₂OH?
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