(will give brainliest if correct : )! 20pts)
vertical columns on the periodic table ar...
(will give brainliest if correct : )! 20pts)
vertical columns on the periodic table are called (blank) a. lines b. periods c. groupings d. families
the elements in each column have (blank) a. similar element symbols b. similar masses c. similar element properties d. similar properties.
Answers: 1
Chemistry, 22.06.2019 07:30
Label a-f based on the table using c for concentrated and d for dilute
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Write a balanced equation showing the formation of copper (ii) nitrite from its elements
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
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When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
Answers: 2
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