Question

Which of the following was originally a tenet of Dalton's atomic theory, but had to be revised about a century ago

Answer 1

The answer is C. Atoms are tiny indestructible particles.

Hope this helps, feel free to ask any other questions :)

Answer 2

If your in Connections Academy these would be the atoms and elements unit test:

1) c.

2) a.

3) b.

4) d.

5) a.

6) c.

7) a.

8) b.

9) b.

10) d.

11) d.

12) c.

13) c.

14) c.

15) a.

16) d.

17) c.

18) c.

19) c.

20) d.

21) c.

22) d.

23) 6 protons, 6 electrons and 7 neutrons

The rest your on your own. Hope this helps ;)