Category: Physics

What is the color of Moscovium? Moscovium Properties Symbol: Mc Atomic Weight: 288 Element Category: unknown Group, Period, Block: 15 (pnictogens), 7, p Color: unknown (presumably metallic/ silvery white/ gray) What is 117th element? Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117. It is the second-heaviest known element and […]

Can I use my phone when parked? When can you use a phone in your vehicle? The law is clear on when you can use a hand-held device behind the wheel. It is only legal if you are safely parked – and this does not include waiting in traffic or stationary at the traffic lights. […]

Which star group will appear highest in the night sky? Draco What is a Skymap? A star chart or star map, also called a sky chart or sky map, is a map of the night sky. They are used to identify and locate constellations and astronomical objects such as stars, nebulae, and galaxies. They have […]

Is Port au Prince poor? Haiti has long struggled with poor living conditions in the more rural areas of the country causing many Haitians to migrate towards the capital city of Port-au-Prince….CIA World Factbook. Field Haiti GDP (purchasing power parity): $18.54 billion (2014 est.) GDP – per capita (PPP): $1,800 (2014 est.) What is the […]

How do you classify a compound? Chemical compounds may be classified according to several different criteria. One common method is based on the specific elements present. For example, oxides contain one or more oxygen atoms, hydrides contain one or more hydrogen atoms, and halides contain one or more halogen (Group 17) atoms. What are 4 […]

How do you know when something is in an experiment? The researcher has no control over the variables in an observational study. An experiment is a method of applying treatments to a group and recording the effects. Remember, a good group experiment will have two basic elements: a control and a treatment. What is the […]

What is the biggest carbon store? Ocean deposits What is the largest store of carbon dioxide in the earth environment? Most of Earth’s carbon—about 65,500 billion metric tons—is stored in rocks. The rest is in the ocean, atmosphere, plants, soil, and fossil fuels. Which plant absorbs the most co2? We Already Have the World’s Most […]

What do you think is the charge of the nucleus of an atom? The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral. Protons and neutrons have similar mass. Electrons are smaller than a proton or a neutron. What two particles make up an atom? In […]

What does a broken line graph look like? A broken line graph is a diagram that has a horizontal axis divided into units of time and a vertical axis that displays the values of the qualitative characteristic studied, and in which the data recorded are represented by points that are then connected to one another […]

What is position expectation value? While the expectation value of a function of position has the appearance of an average of the function, the expectation value of momentum involves the representation of momentum as a quantum mechanical operator. … Why do we need expectation value? It is important to calculate the expectation values in the […]