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☆☆☆☆☆All elements have same number of valence electrons (two) and hence they have similar reactivity and chemical properties.
What is the national institute of engineering solution is part of delhi management study solution
The elements in same group have similar chemical properties
A dry cell; it contains chemical energy.
A dry cell; it contains chemical energy.
A dry cell; it contains chemical energy.
A dry cell; it contains chemical energy.
Modern periodic table is invented by Henry Moseley.
no dipole moment
- All fossil fuels are formed deep underground.
- They are all nonrenewable energy sources.
- They are all made of hydrocarbons.
- They all release carbon dioxide pollution when burned.
Trans-2 pentene is a stereoisomer of cis-2-pentene.
The trend for first ionization energy
The total mass of reactants (the burned material) is equal to the mass of products (ash, water, carbon dioxide, etc.).
Generally, any element with a lower atomic number.
Which phrase best describes the basis of seals taxes
natural gas
