A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons only
A) - B) 0 C) +
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) burning wood D) cooking eggs
A) Discovery Date B) Atomic Mass C) Alphabetical Order D) Atomic Number
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) density B) color C) pH D) shape
A) a total of eight neutrons and electrons. B) a total of eight protons and neutrons. C) eight protons in its nucleus. D) eight neutrons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) neutrons. D) protons.
A) They are extremely nonreactive. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are all metals B) are nonreactive C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) On the right side. B) In the middle column of the periodic table. C) On the left-most side. D) In the bottom rows.
A) location; ionization B) mass;number C) number; mass D) color; smell
A) 12 neutrons B) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 3 B) 4 C) 2 D) 5
A) nonmetals B) metalloids C) metals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) according to atomic number B) by date discovered C) alphabetically D) According to atomic mass
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) protons C) nucleus D) electrons
A) color B) reactivity C) flammability D) pH
A) density B) shape C) pH D) texture
A) breaking B) burning C) adding dye D) crushing
A) rusting B) precipitate forming C) burning D) breaking
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) vary within the same element C) cn only be observed by changing the substance D) can be observes with the senses
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) grams B) kilograms C) meters D) hours
A) precise B) both accurate and precise C) nethier accurate or precise D) accurate
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) independent B) dependent C) control D) constant
A) strawberries B) fertilizer C) growth D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) control B) independent C) dependent D) constant
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 16 B) 0 C) 10 D) 13
A) 18 B) 17 C) 35 D) 19
A) 14 B) 10 C) 26 D) 12
A) 18 B) 10 C) 2 D) 8
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 1 B) 4 C) 2 D) 3
A) 89.6 mol B) 67.2 mol C) 0.5 mol D) 2 mol
A) 2.107x1024 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Thomson B) Democritus C) Rutherford D) Chadwick
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Thomson B) Dalton C) Bohr D) Rutherford
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) Chadwick D) Dalton
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) positive charge B) negative charge C) smaller mass D) larger mass
A) positrons B) protons C) neutrons D) electrons
A) 0.33g/ml B) 72g/ml C) 1.33g/ml D) 3g/ml
A) 0.094g B) 10.7g C) 17.5g D) 16g |