Which element in period 3 has 6 valence electrons?
sulfur
Which group is the least electronegative (name)?
noble gases
How many neutrons does Astatine-211 have?
126
Which element in period 5 is a noble gas?
Xenon
Is an anion smaller or larger than a neutral atom?
Larger
How many neutrons are in the most common isotope of gold?
118
Name the halogen in period 6
astatine
How many valence electrons do the transition metals usually have?
2 valence electrons
How many protons, neutrons, & electrons are there in an atom of potassium-40 with a 1+ charge?
19,21,18
How many neutrons are in silver-107 & silver-109?
60,62
If one proton was fused into a beryllium-10 nucleus... What would be the product?
boron-10
Which Element is the most electronegative,
tungsten, strontium, antimony, or tin?
antimony
Which of the noble gases is slightly electronegative and will form compounds?
Xenon
name a transition metal in period 6 that in the same group as vanadium
tantalum
Which property is described by an element's atom's ability to attract electrons?
electronegativity
Of the three types of elements, which will most like form cations?
metals
