Question
Modern periodic table has ______ groups and ______ periods.
More Chemistry GS Questions
- Why do metals conduct electricity?
- Ball pen functions on the principle of :
- The insecticide gammexane is chemically known as:
- The device that converts AC into DC is:
- Which gas is used to convert vegetable oils into solid fats?
- The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
- Acid reacts with metal to form salt and liberates _________ gas.
- Which of the following is a synthetic polymer?
- What is the common characteristic of elements in the same group of the periodic table?
- The most abundant metal in the Earth's crust is:
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