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