1-As we move from left to right across the periodic table, what is the general trend?

A) Atomic radii increase.

B) Electronegativity decreases.

C) Nuclear shielding increases.

D) Metallic character decreases.

Two liquids were added to each other that results in a different color liquid. Jackson said, "We observed a chemical change, because a new color was formed." Carsyn said, "It may have been a physical change, if it was only mixing paint colors.

This describes a species which makes a large percentage of an ecosystem

What is a covalent bond a bond in which electrons are destroyed a bond in which electrons are created a bond in which electrons are transferred a bond in which electrons are shared

In the lesson a thermos is presented as an example of an isolated energy system. how could you change the thermos into an open energy system

Their functions because of what

Consider four species of conifers. species a and b are sister species. species c and d are also sister species. the clade containing species a and b is a sister to the clade containing species c and d.

When plants use sunlight to make food, the energy of sunlight is

What mountains are near an active continental margin

What are the reactant required for respiration?

1. What traits do Cnidarians have with all other animals? 2. Which would be considered more advanced, a hydra or a jellyfish? Give 2 reasons. 3. Contrast these body forms: polyp and Medusa 4. How do cnidarians protect themselves? 5.