Answer:
magnesium chloride (no prefixes)
Answer:
Gas state
Explanation:
Gas particles spread out to fill a container evenly, unlike solids and liquids.
1) START counting for sig. figs. On the FIRST non-zero digit.
2) STOP counting for sig. figs. On the LAST non-zero digit.
3) Non-zero digits are ALWAYS significant.
4) Zeroes in between two non-zero digits are significant. All other zeroes are insignificant.
B. Increasing the effective nuclear charge on an ion results in energy levels that are closer together.
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