The chemical makeup of a rock is
The chemical composition of a rock is mainly minerals.
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The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.
Which base is present in soap?
Metals that are liquid at room temperature?
Mercury is the only metal that is in liqid form at room temperature. Caesium, Gallim and Rubidium are also metals that are in liquid form but at slightly high temperature than the room temperature.
What two elements are used to make bronze?
The two elements that are used to make bronze are tin and lead.
What types of atoms form covalent bonds?
Covalent bonds are bonds formed between two non metals by sharing of electrons in their outer most orbits for stable.
Which among the following will be a negative ion?
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