Use the periodic table to answer the following questions: Atoms of which element contain 25 protons? magnesium (Mg) aluminum (Al) tin (Sn) manganese (Mn) Which element has an atomic number of 16? oxygen (O) sulfur (S) germanium (Ge)

What is a positive exponent means?

Observation And Assessment

Clear glass, water, and air are examples of what kind of material? A) opaque B) fluid C) translucent D) transparent

Acróstico de la palabra potasio

Which layer of the skin lacks blood vessels?

Transport means to move something from one place to another. True False

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

Write about "human impact"