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