Which One of the Following Is Not True About the Alkali

question 140

Multiple Choice

Which one of the following is not true about the alkali metals?

• A)They are low density solids at room temperature.
• B)They all readily form ions with a +1 charge.
• C)They all have 2 electrons in their valence shells.
• D)They are very reactive elements.
• E)They have the lowest first ionization energies of the elements.

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Definitions:

Phenotypic Plasticity

The ability of an organism to change its phenotype in response to changes in the environment.

Genetic Variation

The diversity of gene frequencies within a population, which drives evolution by enabling adaptation to changing environments.

Heritability

The proportion of observed variation in a particular trait, within a population, that can be attributed to inherited genetic factors as opposed to environmental influences.

Genome Wide Association

A study approach that involves rapidly scanning markers across complete sets of DNA, or genomes, of many people to find genetic variations associated with a particular disease.