Review, Sig Figs, and Sci Notation

Front

What is the formula for hydroiodic acid?

Back

HI

Front

What is the formula for trinitrogen hexoxide?

Back

N₃O₆

Front

How many significant figures does the number 0.998005 have?

Back

6

Front

Balance the equation: _NaF + _Br₂ → _NaBr + _F₂

Back

2 NaF + Br₂ → 2 NaBr + F₂

Front

How would you write 4.3756 x 10⁴ in standard form?

Back

43,756

Front

Define significant figures.

Back

Significant figures are the digits in a number that contribute to its precision, including all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is scientific notation?

Back

A way of expressing numbers as a product of a coefficient and a power of ten.

Front

Convert 0.00056 to scientific notation.

Back

5.6 x 10⁻⁴

Front

What is the purpose of using scientific notation?

Back

To simplify the representation of very large or very small numbers.

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.