True. Our Sun will eventually produce elements as heavy as iron.
False. Elements abundant in the body, such as oxygen, carbon, hydrogen, nitrogen, and calcium, are also abundant on Earth. These elements are essential for life and can be found in various forms in the Earth's rocks, atmosphere, and oceans.
True. In chemistry, the weights of all elements are often compared to oxygen, specifically the isotope oxygen-16, which is used as a standard reference point for calculating atomic weights. This practice allows for a consistent and relative comparison of the masses of different elements.
False. The bulk of the rock-forming minerals in the continental crust are composed of a variety of elements, not just 10. The most common elements found in these minerals include oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
True. Diatomic elements, such as oxygen (O2), nitrogen (N2), and hydrogen (H2), are generally stable in their molecular form due to the strong bonding between the two atoms.
False. Diamond and quartz are minerals composed of multiple elements. Diamond is composed of carbon atoms, while quartz is composed of silicon and oxygen atoms.
True
False. Elements abundant in the human body, such as oxygen, carbon, hydrogen, and nitrogen, are also abundant in the Earth's crust.
False. Elements abundant in the body, such as oxygen, carbon, hydrogen, nitrogen, and calcium, are also abundant on Earth. These elements are essential for life and can be found in various forms in the Earth's rocks, atmosphere, and oceans.
Most elements are metals.
True. In chemistry, the weights of all elements are often compared to oxygen, specifically the isotope oxygen-16, which is used as a standard reference point for calculating atomic weights. This practice allows for a consistent and relative comparison of the masses of different elements.
False. The bulk of the rock-forming minerals in the continental crust are composed of a variety of elements, not just 10. The most common elements found in these minerals include oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
True. Diatomic elements, such as oxygen (O2), nitrogen (N2), and hydrogen (H2), are generally stable in their molecular form due to the strong bonding between the two atoms.
False. Hydrogen and oxygen - both gases - combine to form water - a liquid.
False. Diamond and quartz are minerals composed of multiple elements. Diamond is composed of carbon atoms, while quartz is composed of silicon and oxygen atoms.
False
true
No, photosynthesis is the process by which plants, algae, and some bacteria convert sunlight into energy and produce oxygen as a byproduct. It actually replenishes the Earth's oxygen supply rather than diminishing it.