A member of the carbon circle of relatives has 4 valence electrons even as a member of the
nitrogen family has what number of valence electrons? - ANS-5
The tendency of alkali metals to react with different substances increases with position at the
periodic desk, from ANS-down the organization. Argon emits - ANS-lavender
What happens to the variety of valence electrons, or ANS, as you flow from left to proper over a
period? At room temperature, not one of the metals are in what country< - ANS-gas
Atoms of the most reactive factors generally tend to have how many valence electrons - ANS-1
or 7
Compared with organization 1a elements group 2a elements have? - ANS-1 extra valence
electrons
Helium emits - ANS-crimson
How did Mendeleev arrange the known chemical elements in the first periodic table? - ANS-in
step with growing mass
How is the reactivity of stupid metals different from that of vibrant factors? ANS-Dark metals are
extra reactive than brilliant metals. How become the usefulness of Mendeleev's periodic table
showed? - ANS-the invention of unknown factors especially Gallium
Hydrogen is a non-steel and a fuel, but, hydrogen is located about institution 1A due to the
fact? - ANS-it most effective has one valence electron
emits ANS-white krypton shifting from left to right throughout a row of the periodic table, what
fee will increase with the aid of exactly one from detail to element? - ANS-atomic number
neon emits - ANS-orange-pink
The tendency of an detail to react is intently associated with its quantity of what? - ANS-valence
electrons
To keep them from reacting a few pretty reactive factors are saved in what? - ANS-argon fuel or
oil
use residences to metals - ANS-bright, correct conductors, malleable, ductile
What three corporations are used to classify elements? - ANS-metals, nonmetals, and
metalloids
What are 2 tremendously reactive factors in period 2 - ANS-lithium and fluorine
What does the periodic law state - ANS-that residences vary from row to row
What gave mendeleev the muse to create the periodic desk - ANS-solitare or card sport
What is atomic mass? - ANS-the weighted average of all the isotopes of the elements
What is institution 1A referred to as and the reactivity - ANS-the alkali metals, extraordinarily
reactive
What is institution 2A known as? - ANS-The alkaline earth metals
What is institution 3A called? - ANS-The Boron Family
What is the name of group 4A? - ANS—The carbon circle of relatives What is organization 5A
called? - ANS-The nitrogen circle of relatives
What is group 6A called? - ANS-The oxygen own family
What is organization 7A referred to as? - ANS-The halogens