A) It is composed of protons and neutrons B) It is composed of electrons and neutrons C) It is composed of protons only D) It is composed of protons and electrons
A) - B) + C) 0
A) have an equal number of charged and noncharged particles. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) digesting food B) breaking a pencil C) cooking eggs D) burning wood
A) Atomic Mass B) Atomic Number C) Alphabetical Order D) Discovery Date
A) Neutrons B) Protons C) Valence Electrons D) Protons and Neutrons
A) shape B) pH C) density D) color
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) protons. B) protons plus the number of neutrons. C) protons plus the number of electrons. D) neutrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) In the middle column of the periodic table. B) On the left-most side. C) On the right side. D) In the bottom rows.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkaline Metals
A) Noble Gases B) Alkaline Earth C) Halogens D) Akali
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) 4 B) 3 C) 5 D) 2
A) metals B) nonmetals C) metalloids
A) Ms. Watson B) Mendleev C) Einstein D) Mosely
A) alphabetically B) According to atomic mass C) according to atomic number D) by date discovered
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) neutrons B) electrons C) nucleus D) protons
A) flammability B) color C) reactivity D) pH
A) shape B) pH C) texture D) density
A) burning B) breaking C) adding dye D) crushing
A) breaking B) burning C) precipitate forming D) rusting
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) cn only be observed by changing the substance C) can be observes with the senses D) vary within the same element
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) liters B) second C) kelvin D) meters
A) meters B) kilograms C) grams D) hours
A) precise B) nethier accurate or precise C) both accurate and precise D) accurate
A) 1/1,000 B) 1/100 C) 1,000 D) 100
A) control B) constant C) dependent D) independent
A) fertilizer B) growth C) strawberries D) length of study
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) independent B) control C) constant D) dependent
A) tongs B) beaker C) graduated cylinder D) stirring rod
A) 16 B) 0 C) 13 D) 10
A) 35 B) 18 C) 19 D) 17
A) 14 B) 10 C) 12 D) 26
A) 10 B) 8 C) 2 D) 18
A) 0.57 amu B) 115 amu C) 5.7 amu D) 57 amu
A) 1 B) 3 C) 4 D) 2
A) 89.6 mol B) 2 mol C) 67.2 mol D) 0.5 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Democritus B) Chadwick C) Rutherford D) Thomson
A) Shrodinger and Heisenburg B) Thomson C) Bohr D) Rutherford
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Dalton B) Chadwick C) Rutherford D) Bohr
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electron number never changes. C) Electrons are positively charged. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) positive charge C) larger mass D) negative charge
A) neutrons B) electrons C) protons D) positrons
A) 0.33g/ml B) 1.33g/ml C) 3g/ml D) 72g/ml
A) 16g B) 0.094g C) 17.5g D) 10.7g |