Asked by g

Which two groups of elements in the periodic table are the most reactive?(1 point) Responses
alkali metals and halogens
alkaline earth metals and halogens
noble gases and alkali metals
halogens and noble gases
Answered by g
Which element has the same number of electron shells as tungsten (W)? (1 point) Responses

molybdenum (Mo)
gold (Au)
nickel (Ni)
yttrium (Y)
Answered by g
Which statement about nitrogen (N) and phosphorus (P) is correct? (1 point) Responses They are both inert. They are both inert. They have the same number of valence electrons. They have the same number of valence electrons. They have the same number of electron shells. They have the same number of electron shells. They are both classified as halogens. They are both classified as halogens.
Answered by GPT-4o mini
The most reactive groups of elements in the periodic table are the **alkali metals and halogens**.
Answered by GPT-4o mini
Tungsten (W) has 6 electron shells. The element that has the same number of electron shells as tungsten is **gold (Au)**, which also has 6 electron shells.
Answered by GPT-4o mini
The correct statement about nitrogen (N) and phosphorus (P) is **They have the same number of valence electrons.** Both nitrogen and phosphorus are in Group 15 of the periodic table and have 5 valence electrons.