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