Ferrophosphorus (Fe2P) reacts with pyrite (FeS2) producing iron(II) sulfide and a compound that is 27.87% P and 72.13% S by mass and has a molar mass of 444.56 g/mol of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.
Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though Ferrophosphorus best known for altering behavior, worry can have negative effects on our physical health. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted Ferrophosphorus anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.
Learn more about anxiety here:
brainly.com/question/4913240
#SPJ4
No. 1a. Atom 1 must be sodium (Na)
No. 1b. Atom 2 must me calcium (Ca)
No. 2 Isotopes are elements with theSAME NUMBER OF PROTONS but with DIFFERENT NUMBERS OF NEUTRON. The number of neutrons can be determined by SUBTRACTING the atomic number from the ATOMIC MASS. The mass number is THE TOTAL NUMBER OF PROTONS AND NEUTRONS.
3. The number of protons
Answer
Hi,
The correct answer option is technology
Explanation
Technology has connected every aspect of human life making it easy, improved and different.It serves variety of functions in our society like education, communication, business and scientific research.Technology has been integrated into our lives to impact our day to day activities.For example, it has led to evolution of new and faster modes of transport and communication.
Answer: True
Explanation:
Physical change is a change in which there is no rearrangement of atoms and thus no new substance is formed. There is only change in physical state of the substance.
Chemical change is a change in which there is rearrangement of atoms and thus new substance is formed. There may or may not be a change in physical state.
Slowly heating butter in a pan until it changes from a solid to a liquid is an example of a physical change is true as solid changes to liquid state and there is no breaking or making of chemical bonds.
