Questions by Viktor Bardakov

Questions by Viktor Bardakov

How to put 5.5÷5 in a model

asked Aug 24, 2020

1 answer

4 votes

94.5k views

QUESTION 3 If an atom has a charge of -2, which of the following must be true? 1. It has two more neutrons than electrons. 2. It has two more protons than electrons. 3. It has two more protons than neutrons.

asked Aug 18, 2020

2 answers

2 votes

56.9k views

A ball is thrown vertically upward with an initial speed of 18 m/s. then, 0.73 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 30 m/s. how far

asked Jun 4, 2019

1 answer

4 votes

108k views

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