1. употребите глагол в одной из форм группы simple 1)we(to call) these simple substabces elements 2) every atom (to have) a centre or nucleus. 3) radium(to be) one of them. 4) about 30 years ago scientists ( to find) a way of splitting atoms arificially and making then give off energy. 5) in some years we ( to know) adout them onlu from the way they act. 2. напишите придложение в вопросительной и отрицательной форме . 1)atoms are too small to be seen with powerful microscopes. 2)atoms of oxygen and atoms of hydrogen can join to form water 3)atoms are made up of even smaller particles. 4)every atom has a centre,or nucleus 5)atoms of different kinds can join together in different ways.

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EMPITINES 28.06.2020 20:52

1) We call these simple substabces elements
2) Every atom has a centre or nucleus.
3) Radium is one of them.
4) About 30 years ago scientists found a way of splitting atoms arificially and making then give off energy.
5) In some years we will know about them only from the way they act.
2. . 1)Are atoms too small to be seen with powerful microscopes?
2) Can atoms of oxygen and atoms of hydrogen join to form water?
3) Are atoms made up of even smaller particles?
4) Does every atom have a centre,or nucleus?
5) Can atoms of different kinds join together in different ways.

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