Which of these describe a challenge that the engineer of a high altitude airplane would need to consider

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

In pqr m< p=60 m< q= 30 and m

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided