Answer:
good insulators; poor conductors
brittle
malleable and ductile
good conductors of heat and electricity
26.98
protons/neutrons
Nobel Gases
Ion
Nucleus
negative
silicon and carbon
6 protons and 8 neutrons
6 protons and 7 neutrons
Atomic Number
Neutral atom
No, because protons identify the atom
2
brittle, shiny nd solid at room temperature, semiconductor
6
mass number
+2
-2
They only need one more electron
Negative ion
reactivity, ion formation
all your answers were correct
Answer: a. the lowest trophic level
Explanation:
The keystone species is the one on which the entire ecosystem depends upon. It maintains a balance in the ecosystem. If this species is removed the ecosystem will drastically change. The members of the keystone species are abundantly available at the lowest trophic level. This will help in making a balance in a community or ecosystem. If some members die others will be available to survive others.
The bacterium vibrio cholerae, a rod-shaped gram negative organism
