Chemistry

Homogeneous substance

Numbers written without exponents are called Standard Form.

HBr :]

NiO

calcium oxide (A+)

The answer, barium II carbonate is wrong for the formula BaCO3 because barium has only one possible charge.

No it will not simplify.

Contain only two elements

6.28 cm^3

0.90 J/g°c

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Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N