the subatomic particles that are lost gained or shared in chemical bonds are called
A valence electrons
B protons
C atoms
D neutrons
A valence electrons
an atom is electrically neutral because
a neutrons balance the protons and electrons
b nuclear forces stabilize the charges
c the number of protons and electrons are equal
d the number of protons and neutrons are equal
c the number of protons and electrons are equal
the nucleus of an atom has all of the following characteristics except that it
A is positively charged
B is very dense
C contains nearly all of the atoms mass
D contains nearly all of the atoms volume
D contains nearly all of the atoms volume
atoms of elements in the same group of the periodic table share the same
a number of energy levels
b number of valence electrons
c atomic numbers
d atomic masses
b number of valence electrons
life can exist under frozen surfaces in polar because seas because
life can exist under frozen surfaces in polar seas because of several reasons:
1. Liquid water beneath the frozen surface: Even though the surface may be frozen, there can still be liquid water underneath. This liquid water provides a suitable environment for various organisms to survive.
2. Thermal insulation: The ice acts as a thermal insulator, helping to maintain a stable temperature beneath the frozen surface. This provides a more favorable environment for life to exist.
3. Protection from harsh conditions: The frozen surface provides protection from extreme weather conditions, such as strong winds and storms. This allows organisms to survive in relatively stable and protected environments.
4. Nutrient availability: Nutrients can be trapped or suspended in the water beneath the frozen surface. These nutrients can support microbial life and provide a food source for larger organisms.
5. Adaptations of organisms: Some organisms in polar regions have developed adaptations to survive in frozen environments. They may have antifreeze proteins to prevent ice formation in their cells or mechanisms to withstand extreme cold temperatures.
Overall, the frozen surfaces in polar seas offer unique habitats that can support diverse forms of life, even in extreme conditions.