The element in group 14, period 3 of the periodic table is classified as a? 1. Metal

2. Noble gas

3. Metalloid

4. nonmetal

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Draw metallic bonding if two copper

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?