True or false? elements in the same row have similar properties. question 4 options: true false
true or false? elements in the same column have the same number of valence electrons.
question 5 options:
true
false
what are the particles on the outer shell of an atom called?
question 6 options:
valence electrons
orbiting protons
neutrons
nuclei
Answers: 1
Chemistry, 22.06.2019 22:00
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
Chemistry, 23.06.2019 04:30
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
Answers: 1
Chemistry, 23.06.2019 06:30
How can the number of core electrons be determined from the periodic table
Answers: 1
True or false? elements in the same row have similar properties. question 4 options: true false
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