Question Card 22
![](https://phylogame.org/wp-content/themes/phylo/img/generated-card-images/br-A575FA----1.png)
Question Card 22
cost: 4 neutron points![Scale 4](https://phylogame.org/wp-content/themes/phylo/img/num/4.png)
![](https://phylogame.org/wp-content/uploads/2016/05/chem22.png)
6 NEUTRON POINTS
What did William Crookes point out in vacuum and magnetic fields?
Graphic by Eric Hamber Secondary
6 NEUTRON POINTS
What did William Crookes point out in vacuum and magnetic fields?