What quality differentiates hydrogen (H) from the other elements in group 1, the alkali metals?(1 point) Responses It is a non-metal. It is a non-metal. It is not very reactive. It is not very reactive. It is found by itself in nature. It is found by itself in nature. It has more than one valence electron.
You plan to pass alpha particles through a field that contains a consistent type of particle. Which configuration will result in the largest deflection of alpha particles? (1 point) Responses low-energy alpha particles passing through a field of low mass-number-particles low-energy alpha particles passing through a field of low mass-number-particles high-energy alpha particles passing through a field of high mass-number-particles high-energy alpha particles passing through a field of high mass-number-particles high-energy alpha particles passing through a field of low mass-number-particles high-energy alpha particles passing through a field of low mass-number-particles low-energy alpha particles passing through a field of high mass-number-particles
high-energy alpha particles passing through a field of high mass-number-particles
Which statement about metals and nonmetals is correct?(1 point) Responses Most metals are a solid under normal conditions, and most nonmetals are a liquid. Most metals are a solid under normal conditions, and most nonmetals are a liquid. Metals and nonmetals can both be found in any column of the periodic table. Metals and nonmetals can both be found in any column of the periodic table. Metals tend to be poor conductors of electricity, while nonmetals are strong conductors of electricity. Metals tend to be poor conductors of electricity, while nonmetals are strong conductors of electricity. Metals can be hammered into thin sheets, and nonmetals are brittle
Metals can be hammered into thin sheets, and nonmetals are brittle.
Use the periodic table to answer the question. Based on properties of elements in the periodic table, which element is the best conductor of thermal energy? (1 point) Responses argon (Ar) argon (Ar) germanium (Ge) germanium (Ge) vanadium (V) vanadium (V) polonium (Po)
Vanadium (V)
Use the periodic table to answer the question. Which element has four valence electrons? (1 point) Responses sulfur (S) sulfur (S) beryllium (Be) beryllium (Be) potassium (K) potassium (K) silicon (Si)
Sulfur (S)
Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point) Responses Hydrogen is stable, with two electrons in its outer shell. Hydrogen is stable, with two electrons in its outer shell. Hydrogen only has one electron Hydrogen only has one electron Hydrogen is in the first row and the first column of the periodic table. Hydrogen is in the first row and the first column of the periodic table. Hydrogen does not have any neutrons
