Chemistry, 26.10.2020 19:10 aliyahgregory
Which statement describes the structure of an
atom?
(1) The nucleus contains positively charged
electrons.
(2) The nucleus contains negatively charged
protons.
(3) The nucleus has a positive charge and is
surrounded by negatively charged electrons.
(4) The nucleus has a negative charge and is
surrounded by positively charged electrons.
Answers: 1
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Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
Answers: 2
Chemistry, 22.06.2019 21:00
Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point
Answers: 1
Chemistry, 22.06.2019 23:30
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
Which statement describes the structure of an
atom?
(1) The nucleus contains positively charg...
(1) The nucleus contains positively charg...
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