6. A mixture contains iron metal, copper metal, and tin metal. This mixture is 1 point
mixed with nickel nitrate. Which metals, if any, will react?
Choose all that apply
O
tron only
Copper only
Tin only
All of the metals will react
None of the metals will react

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope

In in , is to a 28.4-g (1-oz)−23.0 °c to −1.0 °c?