Questions by Alexsandro

Questions by Alexsandro

If a neutral atom gains electrons, what type of particle is formed?

asked Jul 19, 2018

1 answer

4 votes

190k views

Who was first presidant of england

asked May 20, 2017

2 answers

5 votes

29.9k views

Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now. Ralph's age is _____. A)6 B)12 C)18 D)24

asked Apr 23, 2017

2 answers

0 votes

172k views

Why do scientists believe that dark matter exists even though it cannot be seen?

asked Jan 23, 2017

1 answer

0 votes

221k views

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