A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) - B) 0 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) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Alphabetical Order B) Atomic Number C) Atomic Mass D) Discovery Date
A) Protons B) Valence Electrons C) Neutrons D) Protons and Neutrons
A) density B) color C) shape D) pH
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of neutrons. C) neutrons. D) protons plus the number of electrons.
A) They are extremely nonreactive. 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 usually gases.
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) 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) On the left-most side. C) In the bottom rows. D) In the middle column of the periodic table.
A) location; ionization B) mass;number C) number; mass D) color; smell
A) 6 neutrons B) 12 neutrons C) 8 neutrons D) 3 neutrons
A) Alkaline Earth B) Noble Gases C) Alkali Metals D) Halogens
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 5 B) 2 C) 4 D) 3
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) alphabetically B) According to atomic mass C) according to atomic number D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) protons B) electrons C) nucleus D) neutrons
A) pH B) flammability C) color D) reactivity
A) burning B) adding dye C) crushing D) breaking
A) vary within the same element B) only can be seen in a few elements C) can only be observed by changing the substance D) can be observed with senses
A) only can be observed in a few elements B) can be observes with the senses C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) grams B) hours C) kilograms D) meters
A) precise B) nethier accurate or precise C) accurate D) both accurate and precise
A) 1/100 B) 100 C) 1/1,000 D) 1,000
A) control B) constant C) independent D) dependent
A) length of study B) fertilizer C) growth D) strawberries
A) control B) independent C) constant D) dependent
A) tongs B) graduated cylinder C) stirring rod D) beaker
A) 10 B) 0 C) 16 D) 13
A) 35 B) 17 C) 19 D) 18
A) 12 B) 14 C) 26 D) 10
A) 8 B) 2 C) 18 D) 10
A) 115 amu B) 0.57 amu C) 57 amu D) 5.7 amu
A) 3 B) 2 C) 4 D) 1
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Bohr C) Thomson 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) Chadwick B) Dalton C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) Electron number never changes.
A) positive charge B) smaller mass C) negative charge D) larger mass
A) positrons B) protons C) neutrons D) electrons
A) 1.33g/ml B) 72g/ml C) 3g/ml D) 0.33g/ml
A) 17.5g B) 10.7g C) 0.094g D) 24g |